1122103020 has 48 divisors (see below), whose sum is σ = 3326708448. Its totient is φ = 281625600.

The previous prime is 1122103019. The next prime is 1122103027. The reversal of 1122103020 is 203012211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1122102987 and 1122103005.

It is not an unprimeable number, because it can be changed into a prime (1122103027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549031 + ... + 551070.

It is an arithmetic number, because the mean of its divisors is an integer number (69306426).

Almost surely, 2^1122103020 is an apocalyptic number.

1122103020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122103020 is an abundant number, since it is smaller than the sum of its proper divisors (2204605428).

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

1122103020 is a wasteful number, since it uses less digits than its factorization.

1122103020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100130 (or 1100128 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1122103020 is about 33497.8061968243. The cubic root of 1122103020 is about 1039.1484091382.

Adding to 1122103020 its reverse (203012211), we get a palindrome (1325115231).

The spelling of 1122103020 in words is "one billion, one hundred twenty-two million, one hundred three thousand, twenty".