1123662512 has 40 divisors (see below), whose sum is σ = 2538900000. Its totient is φ = 481567296.

The previous prime is 1123662497. The next prime is 1123662521. The reversal of 1123662512 is 2152663211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96887 + ... + 107862.

It is an arithmetic number, because the mean of its divisors is an integer number (63472500).

Almost surely, 2^1123662512 is an apocalyptic number.

It is an amenable number.

1123662512 is an abundant number, since it is smaller than the sum of its proper divisors (1415237488).

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

1123662512 is an equidigital number, since it uses as much as digits as its factorization.

1123662512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204778 (or 204758 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 1123662512 is about 33521.0756390662. The cubic root of 1123662512 is about 1039.6295870219.

The spelling of 1123662512 in words is "one billion, one hundred twenty-three million, six hundred sixty-two thousand, five hundred twelve".