1292164990 has 8 divisors (see below), whose sum is σ = 2325897000. Its totient is φ = 516865992.

The previous prime is 1292164987. The next prime is 1292165009. The reversal of 1292164990 is 994612921.

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

It is a super-2 number, since 2×1292164990² = 3339380722763400200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64608240 + ... + 64608259.

It is an arithmetic number, because the mean of its divisors is an integer number (290737125).

Almost surely, 2^1292164990 is an apocalyptic number.

1292164990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1292164990 is a deficient number, since it is larger than the sum of its proper divisors (1033732010).

1292164990 is a wasteful number, since it uses less digits than its factorization.

1292164990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129216506.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 1292164990 is about 35946.6965102497. The cubic root of 1292164990 is about 1089.1958802879.

The spelling of 1292164990 in words is "one billion, two hundred ninety-two million, one hundred sixty-four thousand, nine hundred ninety".