1264652231 has 8 divisors (see below), whose sum is σ = 1306631040. Its totient is φ = 1223244792.

The previous prime is 1264652227. The next prime is 1264652237. The reversal of 1264652231 is 1322564621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1264652231 - 2² = 1264652227 is a prime.

It is a super-2 number, since 2×1264652231² = 3198690530746554722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264652237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138341 + ... + 147198.

It is an arithmetic number, because the mean of its divisors is an integer number (163328880).

Almost surely, 2^1264652231 is an apocalyptic number.

1264652231 is a deficient number, since it is larger than the sum of its proper divisors (41978809).

1264652231 is a wasteful number, since it uses less digits than its factorization.

1264652231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285685.

The product of its digits is 17280, while the sum is 32.

The square root of 1264652231 is about 35561.9492013585. The cubic root of 1264652231 is about 1081.4099757016.

The spelling of 1264652231 in words is "one billion, two hundred sixty-four million, six hundred fifty-two thousand, two hundred thirty-one".