1232125530 has 32 divisors (see below), whose sum is σ = 3037025664. Its totient is φ = 319686336.

The previous prime is 1232125513. The next prime is 1232125553. The reversal of 1232125530 is 355212321.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1232125530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553902 + ... + 556121.

It is an arithmetic number, because the mean of its divisors is an integer number (94907052).

Almost surely, 2^1232125530 is an apocalyptic number.

1232125530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1232125530 is an abundant number, since it is smaller than the sum of its proper divisors (1804900134).

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

1232125530 is a wasteful number, since it uses less digits than its factorization.

1232125530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110070.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1232125530 is about 35101.6456879161. The cubic root of 1232125530 is about 1072.0580908271.

Adding to 1232125530 its reverse (355212321), we get a palindrome (1587337851).

The spelling of 1232125530 in words is "one billion, two hundred thirty-two million, one hundred twenty-five thousand, five hundred thirty".