1232665056 has 72 divisors (see below), whose sum is σ = 4006167984. Its totient is φ = 352189440.

The previous prime is 1232665001. The next prime is 1232665117. The reversal of 1232665056 is 6505662321.

It is a happy number.

1232665056 is a `hidden beast` number, since 123 + 26 + 6 + 505 + 6 = 666.

1232665056 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1232665056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303705 + ... + 307736.

It is an arithmetic number, because the mean of its divisors is an integer number (55641222).

Almost surely, 2^1232665056 is an apocalyptic number.

1232665056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1232665056 is an abundant number, since it is smaller than the sum of its proper divisors (2773502928).

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

1232665056 is a wasteful number, since it uses less digits than its factorization.

1232665056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611464 (or 611453 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 1232665056 is about 35109.3300420273. The cubic root of 1232665056 is about 1072.2145464251.

The spelling of 1232665056 in words is "one billion, two hundred thirty-two million, six hundred sixty-five thousand, fifty-six".