1245207432 has 64 divisors (see below), whose sum is σ = 3767022720. Its totient is φ = 334844928.

The previous prime is 1245207413. The next prime is 1245207451. The reversal of 1245207432 is 2347025421.

It is an interprime number because it is at equal distance from previous prime (1245207413) and next prime (1245207451).

It is a self number, because there is not a number n which added to its sum of digits gives 1245207432.

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 15 ways as a sum of consecutive naturals, for example, 215143 + ... + 220854.

It is an arithmetic number, because the mean of its divisors is an integer number (58859730).

Almost surely, 2^1245207432 is an apocalyptic number.

1245207432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1245207432 is an abundant number, since it is smaller than the sum of its proper divisors (2521815288).

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

1245207432 is a wasteful number, since it uses less digits than its factorization.

1245207432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436030 (or 436026 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 1245207432 is about 35287.4968225291. The cubic root of 1245207432 is about 1075.8388785064.

The spelling of 1245207432 in words is "one billion, two hundred forty-five million, two hundred seven thousand, four hundred thirty-two".