1264127676 has 36 divisors (see below), whose sum is σ = 3431205288. Its totient is φ = 361179168.

The previous prime is 1264127671. The next prime is 1264127677. The reversal of 1264127676 is 6767214621.

1264127676 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264127671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1074351 + ... + 1075526.

It is an arithmetic number, because the mean of its divisors is an integer number (95311258).

Almost surely, 2^1264127676 is an apocalyptic number.

It is an amenable number.

1264127676 is an abundant number, since it is smaller than the sum of its proper divisors (2167077612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1264127676 is a wasteful number, since it uses less digits than its factorization.

1264127676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149898 (or 2149889 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 1264127676 is about 35554.5732079574. The cubic root of 1264127676 is about 1081.2604385552.

The spelling of 1264127676 in words is "one billion, two hundred sixty-four million, one hundred twenty-seven thousand, six hundred seventy-six".