1012153656 has 32 divisors (see below), whose sum is σ = 2552783760. Its totient is φ = 334397952.

The previous prime is 1012153481. The next prime is 1012153691. The reversal of 1012153656 is 6563512101.

1012153656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 183895 + ... + 189318.

Almost surely, 2^1012153656 is an apocalyptic number.

It is an amenable number.

1012153656 is an abundant number, since it is smaller than the sum of its proper divisors (1540630104).

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

1012153656 is a wasteful number, since it uses less digits than its factorization.

1012153656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373335 (or 373331 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1012153656 is about 31814.3624169965. The cubic root of 1012153656 is about 1004.0349162209.

Adding to 1012153656 its reverse (6563512101), we get a palindrome (7575665757).

The spelling of 1012153656 in words is "one billion, twelve million, one hundred fifty-three thousand, six hundred fifty-six".