1264714645 has 16 divisors (see below), whose sum is σ = 1533692160. Its totient is φ = 1001113344.

The previous prime is 1264714637. The next prime is 1264714669. The reversal of 1264714645 is 5464174621.

It is a cyclic number.

It is not a de Polignac number, because 1264714645 - 2³ = 1264714637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1264714598 and 1264714607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409216 + ... + 412294.

It is an arithmetic number, because the mean of its divisors is an integer number (95855760).

Almost surely, 2^1264714645 is an apocalyptic number.

It is an amenable number.

1264714645 is a deficient number, since it is larger than the sum of its proper divisors (268977515).

1264714645 is a wasteful number, since it uses less digits than its factorization.

1264714645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924.

The product of its digits is 161280, while the sum is 40.

The square root of 1264714645 is about 35562.8267296063. The cubic root of 1264714645 is about 1081.4277655757.

The spelling of 1264714645 in words is "one billion, two hundred sixty-four million, seven hundred fourteen thousand, six hundred forty-five".