1244872684 has 36 divisors (see below), whose sum is σ = 2408124600. Its totient is φ = 562650880.

The previous prime is 1244872667. The next prime is 1244872687. The reversal of 1244872684 is 4862784421.

It is not an unprimeable number, because it can be changed into a prime (1244872687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79452 + ... + 93820.

It is an arithmetic number, because the mean of its divisors is an integer number (66892350).

Almost surely, 2^1244872684 is an apocalyptic number.

It is an amenable number.

1244872684 is a deficient number, since it is larger than the sum of its proper divisors (1163251916).

1244872684 is a wasteful number, since it uses less digits than its factorization.

1244872684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14574 (or 14561 counting only the distinct ones).

The product of its digits is 688128, while the sum is 46.

The square root of 1244872684 is about 35282.7533506103. The cubic root of 1244872684 is about 1075.7424642651.

The spelling of 1244872684 in words is "one billion, two hundred forty-four million, eight hundred seventy-two thousand, six hundred eighty-four".