1232656988 has 12 divisors (see below), whose sum is σ = 2179389072. Its totient is φ = 609974400.

The previous prime is 1232656981. The next prime is 1232656991. The reversal of 1232656988 is 8896562321.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232656981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1588088 + ... + 1588863.

It is an arithmetic number, because the mean of its divisors is an integer number (181615756).

Almost surely, 2^1232656988 is an apocalyptic number.

It is an amenable number.

1232656988 is a deficient number, since it is larger than the sum of its proper divisors (946732084).

1232656988 is a wasteful number, since it uses less digits than its factorization.

1232656988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177052 (or 3177050 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 1232656988 is about 35109.2151436058. The cubic root of 1232656988 is about 1072.2122071452.

The spelling of 1232656988 in words is "one billion, two hundred thirty-two million, six hundred fifty-six thousand, nine hundred eighty-eight".