1252279696 has 20 divisors (see below), whose sum is σ = 2436451200. Its totient is φ = 623518112.

The previous prime is 1252279663. The next prime is 1252279739. The reversal of 1252279696 is 6969722521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159916 + ... + 167563.

It is an arithmetic number, because the mean of its divisors is an integer number (121822560).

Almost surely, 2^1252279696 is an apocalyptic number.

1252279696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1252279696 is a deficient number, since it is larger than the sum of its proper divisors (1184171504).

1252279696 is a wasteful number, since it uses less digits than its factorization.

1252279696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327726 (or 327720 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The square root of 1252279696 is about 35387.5641433541. The cubic root of 1252279696 is about 1077.8718081359.

The spelling of 1252279696 in words is "one billion, two hundred fifty-two million, two hundred seventy-nine thousand, six hundred ninety-six".