1292621434 has 16 divisors (see below), whose sum is σ = 2089479168. Its totient is φ = 596194992.

The previous prime is 1292621389. The next prime is 1292621479. The reversal of 1292621434 is 4341262921.

It is an interprime number because it is at equal distance from previous prime (1292621389) and next prime (1292621479).

It is a self number, because there is not a number n which added to its sum of digits gives 1292621434.

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 7 ways as a sum of consecutive naturals, for example, 24879 + ... + 56605.

It is an arithmetic number, because the mean of its divisors is an integer number (130592448).

Almost surely, 2^1292621434 is an apocalyptic number.

1292621434 is a deficient number, since it is larger than the sum of its proper divisors (796857734).

1292621434 is a wasteful number, since it uses less digits than its factorization.

1292621434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33309.

The product of its digits is 20736, while the sum is 34.

The square root of 1292621434 is about 35953.0448501931. The cubic root of 1292621434 is about 1089.3241142728.

The spelling of 1292621434 in words is "one billion, two hundred ninety-two million, six hundred twenty-one thousand, four hundred thirty-four".