1264872826 has 32 divisors (see below), whose sum is σ = 2284571520. Its totient is φ = 513086400.

The previous prime is 1264872799. The next prime is 1264872841. The reversal of 1264872826 is 6282784621.

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 15 ways as a sum of consecutive naturals, for example, 568396 + ... + 570616.

It is an arithmetic number, because the mean of its divisors is an integer number (71392860).

Almost surely, 2^1264872826 is an apocalyptic number.

1264872826 is a deficient number, since it is larger than the sum of its proper divisors (1019698694).

1264872826 is a wasteful number, since it uses less digits than its factorization.

1264872826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4390.

The product of its digits is 516096, while the sum is 46.

The square root of 1264872826 is about 35565.0506255790. The cubic root of 1264872826 is about 1081.4728493145.

The spelling of 1264872826 in words is "one billion, two hundred sixty-four million, eight hundred seventy-two thousand, eight hundred twenty-six".