1249632924 has 12 divisors (see below), whose sum is σ = 2915810184. Its totient is φ = 416544304.

The previous prime is 1249632913. The next prime is 1249632947. The reversal of 1249632924 is 4292369421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52068027 + ... + 52068050.

It is an arithmetic number, because the mean of its divisors is an integer number (242984182).

Almost surely, 2^1249632924 is an apocalyptic number.

It is an amenable number.

1249632924 is an abundant number, since it is smaller than the sum of its proper divisors (1666177260).

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

1249632924 is a wasteful number, since it uses less digits than its factorization.

1249632924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104136084 (or 104136082 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 1249632924 is about 35350.1474395794. The cubic root of 1249632924 is about 1077.1118891901. Note that the first 3 decimals are identical.

The spelling of 1249632924 in words is "one billion, two hundred forty-nine million, six hundred thirty-two thousand, nine hundred twenty-four".