1266492315 has 64 divisors (see below), whose sum is σ = 2271836160. Its totient is φ = 597219840.

The previous prime is 1266492307. The next prime is 1266492319. The reversal of 1266492315 is 5132946621.

1266492315 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1266492315 - 2³ = 1266492307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1266492319) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1527321 + ... + 1528149.

It is an arithmetic number, because the mean of its divisors is an integer number (35497440).

Almost surely, 2^1266492315 is an apocalyptic number.

1266492315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1266492315 is a deficient number, since it is larger than the sum of its proper divisors (1005343845).

1266492315 is a wasteful number, since it uses less digits than its factorization.

1266492315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092.

The product of its digits is 77760, while the sum is 39.

The square root of 1266492315 is about 35587.8113263516. The cubic root of 1266492315 is about 1081.9342096430.

The spelling of 1266492315 in words is "one billion, two hundred sixty-six million, four hundred ninety-two thousand, three hundred fifteen".