1122521460 has 24 divisors (see below), whose sum is σ = 3143060256. Its totient is φ = 299339040.

The previous prime is 1122521453. The next prime is 1122521471. The reversal of 1122521460 is 641252211.

It is a self number, because there is not a number n which added to its sum of digits gives 1122521460.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9354286 + ... + 9354405.

It is an arithmetic number, because the mean of its divisors is an integer number (130960844).

Almost surely, 2^1122521460 is an apocalyptic number.

1122521460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122521460 is an abundant number, since it is smaller than the sum of its proper divisors (2020538796).

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

1122521460 is a wasteful number, since it uses less digits than its factorization.

1122521460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18708703 (or 18708701 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1122521460 is about 33504.0513968087. The cubic root of 1122521460 is about 1039.2775616357.

Adding to 1122521460 its reverse (641252211), we get a palindrome (1763773671).

The spelling of 1122521460 in words is "one billion, one hundred twenty-two million, five hundred twenty-one thousand, four hundred sixty".