1264706938 has 16 divisors (see below), whose sum is σ = 2136280320. Its totient is φ = 556322400.

The previous prime is 1264706917. The next prime is 1264707011. The reversal of 1264706938 is 8396074621.

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 7 ways as a sum of consecutive naturals, for example, 926523 + ... + 927886.

It is an arithmetic number, because the mean of its divisors is an integer number (133517520).

Almost surely, 2^1264706938 is an apocalyptic number.

1264706938 is a deficient number, since it is larger than the sum of its proper divisors (871573382).

1264706938 is a wasteful number, since it uses less digits than its factorization.

1264706938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854453.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 1264706938 is about 35562.7183719130. The cubic root of 1264706938 is about 1081.4255688797.

The spelling of 1264706938 in words is "one billion, two hundred sixty-four million, seven hundred six thousand, nine hundred thirty-eight".