1264361545 has 8 divisors (see below), whose sum is σ = 1517662080. Its totient is φ = 1011203760.

The previous prime is 1264361537. The next prime is 1264361557. The reversal of 1264361545 is 5451634621.

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

It is not a de Polignac number, because 1264361545 - 2³ = 1264361537 is a prime.

It is a super-2 number, since 2×1264361545² = 3197220232949574050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15121 + ... + 52510.

It is an arithmetic number, because the mean of its divisors is an integer number (189707760).

Almost surely, 2^1264361545 is an apocalyptic number.

It is an amenable number.

1264361545 is a deficient number, since it is larger than the sum of its proper divisors (253300535).

1264361545 is an equidigital number, since it uses as much as digits as its factorization.

1264361545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71375.

The product of its digits is 86400, while the sum is 37.

The square root of 1264361545 is about 35557.8619295368. The cubic root of 1264361545 is about 1081.3271137045.

The spelling of 1264361545 in words is "one billion, two hundred sixty-four million, three hundred sixty-one thousand, five hundred forty-five".