1232557130 has 64 divisors (see below), whose sum is σ = 2641006080. Its totient is φ = 405216000.

The previous prime is 1232557099. The next prime is 1232557153. The reversal of 1232557130 is 317552321.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1232557093 and 1232557102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304520 + ... + 308540.

It is an arithmetic number, because the mean of its divisors is an integer number (41265720).

Almost surely, 2^1232557130 is an apocalyptic number.

1232557130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1232557130 is an abundant number, since it is smaller than the sum of its proper divisors (1408448950).

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

1232557130 is a wasteful number, since it uses less digits than its factorization.

1232557130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4215.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 1232557130 is about 35107.7930095299. The cubic root of 1232557130 is about 1072.1832529271.

The spelling of 1232557130 in words is "one billion, two hundred thirty-two million, five hundred fifty-seven thousand, one hundred thirty".