1264153461 has 8 divisors (see below), whose sum is σ = 1686681984. Its totient is φ = 842196960.

The previous prime is 1264153441. The next prime is 1264153489. The reversal of 1264153461 is 1643514621.

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

It is not a de Polignac number, because 1264153461 - 2²¹ = 1262056309 is a prime.

It is a super-3 number, since 3×1264153461³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264153441) 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, 137821 + ... + 146706.

It is an arithmetic number, because the mean of its divisors is an integer number (210835248).

Almost surely, 2^1264153461 is an apocalyptic number.

It is an amenable number.

1264153461 is a deficient number, since it is larger than the sum of its proper divisors (422528523).

1264153461 is a wasteful number, since it uses less digits than its factorization.

1264153461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286011.

The product of its digits is 17280, while the sum is 33.

The square root of 1264153461 is about 35554.9358176892. The cubic root of 1264153461 is about 1081.2677901625.

The spelling of 1264153461 in words is "one billion, two hundred sixty-four million, one hundred fifty-three thousand, four hundred sixty-one".