1232642644 has 24 divisors (see below), whose sum is σ = 2238401088. Its totient is φ = 593503680.

The previous prime is 1232642629. The next prime is 1232642659. The reversal of 1232642644 is 4462462321.

It is an interprime number because it is at equal distance from previous prime (1232642629) and next prime (1232642659).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38257 + ... + 62680.

It is an arithmetic number, because the mean of its divisors is an integer number (93266712).

Almost surely, 2^1232642644 is an apocalyptic number.

It is an amenable number.

1232642644 is a deficient number, since it is larger than the sum of its proper divisors (1005758444).

1232642644 is a wasteful number, since it uses less digits than its factorization.

1232642644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101055 (or 101053 counting only the distinct ones).

The product of its digits is 55296, while the sum is 34.

The square root of 1232642644 is about 35109.0108661580. The cubic root of 1232642644 is about 1072.2080481424.

The spelling of 1232642644 in words is "one billion, two hundred thirty-two million, six hundred forty-two thousand, six hundred forty-four".