1290516264 has 48 divisors (see below), whose sum is σ = 3497320320. Its totient is φ = 429904800.

The previous prime is 1290516247. The next prime is 1290516277. The reversal of 1290516264 is 4626150921.

1290516264 is a `hidden beast` number, since 1 + 29 + 0 + 5 + 1 + 626 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 135879 + ... + 145065.

It is an arithmetic number, because the mean of its divisors is an integer number (72860840).

Almost surely, 2^1290516264 is an apocalyptic number.

It is an amenable number.

1290516264 is an abundant number, since it is smaller than the sum of its proper divisors (2206804056).

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

1290516264 is a wasteful number, since it uses less digits than its factorization.

1290516264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11150 (or 11143 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1290516264 is about 35923.7562623955. The cubic root of 1290516264 is about 1088.7324333094.

The spelling of 1290516264 in words is "one billion, two hundred ninety million, five hundred sixteen thousand, two hundred sixty-four".