1264276870 has 16 divisors (see below), whose sum is σ = 2277068400. Its totient is φ = 505406304.

The previous prime is 1264276847. The next prime is 1264276901. The reversal of 1264276870 is 786724621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20217 + ... + 54196.

It is an arithmetic number, because the mean of its divisors is an integer number (142316775).

Almost surely, 2^1264276870 is an apocalyptic number.

1264276870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1264276870 is a deficient number, since it is larger than the sum of its proper divisors (1012791530).

1264276870 is a wasteful number, since it uses less digits than its factorization.

1264276870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76119.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 1264276870 is about 35556.6712446483. The cubic root of 1264276870 is about 1081.3029741384.

The spelling of 1264276870 in words is "one billion, two hundred sixty-four million, two hundred seventy-six thousand, eight hundred seventy".