1245879960 has 64 divisors (see below), whose sum is σ = 4025155680. Its totient is φ = 306677760.

The previous prime is 1245879959. The next prime is 1245879967. The reversal of 1245879960 is 699785421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245879967) by changing a digit.

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, 397761 + ... + 400880.

Almost surely, 2^1245879960 is an apocalyptic number.

1245879960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1245879960 is an abundant number, since it is smaller than the sum of its proper divisors (2779275720).

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

1245879960 is a wasteful number, since it uses less digits than its factorization.

1245879960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798668 (or 798664 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The square root of 1245879960 is about 35297.0248037990. The cubic root of 1245879960 is about 1076.0325280493.

The spelling of 1245879960 in words is "one billion, two hundred forty-five million, eight hundred seventy-nine thousand, nine hundred sixty".