1122101250 has 80 divisors (see below), whose sum is σ = 2843464800. Its totient is φ = 295056000.

The previous prime is 1122101249. The next prime is 1122101251. The reversal of 1122101250 is 521012211.

It is an interprime number because it is at equal distance from previous prime (1122101249) and next prime (1122101251).

It is a super-2 number, since 2×1122101250² = 2518222430503125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1122101251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 271701 + ... + 275799.

It is an arithmetic number, because the mean of its divisors is an integer number (35543310).

Almost surely, 2^1122101250 is an apocalyptic number.

1122101250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122101250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1421732400).

1122101250 is an abundant number, since it is smaller than the sum of its proper divisors (1721363550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122101250 is an equidigital number, since it uses as much as digits as its factorization.

1122101250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4197 (or 4182 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1122101250 is about 33497.7797771733. The cubic root of 1122101250 is about 1039.1478627554.

Adding to 1122101250 its reverse (521012211), we get a palindrome (1643113461).

The spelling of 1122101250 in words is "one billion, one hundred twenty-two million, one hundred one thousand, two hundred fifty".