1245320884 has 12 divisors (see below), whose sum is σ = 2179636704. Its totient is φ = 622567544.

The previous prime is 1245320863. The next prime is 1245320897. The reversal of 1245320884 is 4880235421.

It is a happy number.

It is a congruent number.

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, 13329 + ... + 51655.

It is an arithmetic number, because the mean of its divisors is an integer number (181636392).

Almost surely, 2^1245320884 is an apocalyptic number.

It is an amenable number.

1245320884 is a deficient number, since it is larger than the sum of its proper divisors (934315820).

1245320884 is a wasteful number, since it uses less digits than its factorization.

1245320884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46454 (or 46452 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 1245320884 is about 35289.1043241395. The cubic root of 1245320884 is about 1075.8715510723.

The spelling of 1245320884 in words is "one billion, two hundred forty-five million, three hundred twenty thousand, eight hundred eighty-four".