1264153755 has 16 divisors (see below), whose sum is σ = 2024158464. Its totient is φ = 673711200.

The previous prime is 1264153753. The next prime is 1264153757. The reversal of 1264153755 is 5573514621.

It is an interprime number because it is at equal distance from previous prime (1264153753) and next prime (1264153757).

It is not a de Polignac number, because 1264153755 - 2¹ = 1264153753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1264153753) 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 15 ways as a sum of consecutive naturals, for example, 10321 + ... + 51330.

It is an arithmetic number, because the mean of its divisors is an integer number (126509904).

Almost surely, 2^1264153755 is an apocalyptic number.

1264153755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1264153755 is a deficient number, since it is larger than the sum of its proper divisors (760004709).

1264153755 is a wasteful number, since it uses less digits than its factorization.

1264153755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63026.

The product of its digits is 126000, while the sum is 39.

The square root of 1264153755 is about 35554.9399521360. The cubic root of 1264153755 is about 1081.2678739848.

The spelling of 1264153755 in words is "one billion, two hundred sixty-four million, one hundred fifty-three thousand, seven hundred fifty-five".