1264379086 has 32 divisors (see below), whose sum is σ = 1970632800. Its totient is φ = 608081280.

The previous prime is 1264378993. The next prime is 1264379087. The reversal of 1264379086 is 6809734621.

It is a super-2 number, since 2×1264379086² = 3197308946228390792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264379087) 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, 1935936 + ... + 1936588.

It is an arithmetic number, because the mean of its divisors is an integer number (61582275).

Almost surely, 2^1264379086 is an apocalyptic number.

1264379086 is a deficient number, since it is larger than the sum of its proper divisors (706253714).

1264379086 is a wasteful number, since it uses less digits than its factorization.

1264379086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 1264379086 is about 35558.1085829941. The cubic root of 1264379086 is about 1081.3321142445.

The spelling of 1264379086 in words is "one billion, two hundred sixty-four million, three hundred seventy-nine thousand, eighty-six".