1264232511 has 12 divisors (see below), whose sum is σ = 1848116088. Its totient is φ = 832666704.

The previous prime is 1264232509. The next prime is 1264232527. The reversal of 1264232511 is 1152324621.

1264232511 is a `hidden beast` number, since 1 + 2 + 642 + 3 + 2 + 5 + 11 = 666.

It is not a de Polignac number, because 1264232511 - 2¹ = 1264232509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264232531) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 845460 + ... + 846953.

It is an arithmetic number, because the mean of its divisors is an integer number (154009674).

Almost surely, 2^1264232511 is an apocalyptic number.

1264232511 is a deficient number, since it is larger than the sum of its proper divisors (583883577).

1264232511 is a wasteful number, since it uses less digits than its factorization.

1264232511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692502 (or 1692499 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1264232511 is about 35556.0474603126. The cubic root of 1264232511 is about 1081.2903276259.

The spelling of 1264232511 in words is "one billion, two hundred sixty-four million, two hundred thirty-two thousand, five hundred eleven".