1232561828 has 12 divisors (see below), whose sum is σ = 2231362140. Its totient is φ = 595029792.

The previous prime is 1232561753. The next prime is 1232561873. The reversal of 1232561828 is 8281652321.

It can be written as a sum of positive squares in 2 ways, for example, as 617124964 + 615436864 = 24842^2 + 24808^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1232561791 and 1232561800.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5312651 + ... + 5312882.

It is an arithmetic number, because the mean of its divisors is an integer number (185946845).

Almost surely, 2^1232561828 is an apocalyptic number.

It is an amenable number.

1232561828 is a deficient number, since it is larger than the sum of its proper divisors (998800312).

1232561828 is a wasteful number, since it uses less digits than its factorization.

1232561828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10625566 (or 10625564 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 1232561828 is about 35107.8599176879. The cubic root of 1232561828 is about 1072.1846151656.

The spelling of 1232561828 in words is "one billion, two hundred thirty-two million, five hundred sixty-one thousand, eight hundred twenty-eight".