1264332562 has 4 divisors (see below), whose sum is σ = 1896498846. Its totient is φ = 632166280.

The previous prime is 1264332557. The next prime is 1264332577. The reversal of 1264332562 is 2652334621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2652334621 = 19 ⋅139596559.

It can be written as a sum of positive squares in only one way, i.e., 905949801 + 358382761 = 30099^2 + 18931^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316083139 + ... + 316083142.

Almost surely, 2^1264332562 is an apocalyptic number.

1264332562 is a deficient number, since it is larger than the sum of its proper divisors (632166284).

1264332562 is an equidigital number, since it uses as much as digits as its factorization.

1264332562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632166283.

The product of its digits is 51840, while the sum is 34.

The square root of 1264332562 is about 35557.4543801999. The cubic root of 1264332562 is about 1081.3188512094.

The spelling of 1264332562 in words is "one billion, two hundred sixty-four million, three hundred thirty-two thousand, five hundred sixty-two".