1120858100 has 36 divisors (see below), whose sum is σ = 2435846700. Its totient is φ = 447682560.

The previous prime is 1120858087. The next prime is 1120858111. The reversal of 1120858100 is 18580211.

It can be written as a sum of positive squares in 6 ways, for example, as 404653456 + 716204644 = 20116^2 + 26762^2 .

It is a super-2 number, since 2×1120858100² = 2512645760671220000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1120858100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62996 + ... + 78804.

Almost surely, 2^1120858100 is an apocalyptic number.

1120858100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120858100 is an abundant number, since it is smaller than the sum of its proper divisors (1314988600).

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

1120858100 is a wasteful number, since it uses less digits than its factorization.

1120858100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16532 (or 16525 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 1120858100 is about 33479.2189275676. The cubic root of 1120858100 is about 1038.7639716649.

The spelling of 1120858100 in words is "one billion, one hundred twenty million, eight hundred fifty-eight thousand, one hundred".