1292990414 has 4 divisors (see below), whose sum is σ = 1939485624. Its totient is φ = 646495206.

The previous prime is 1292990399. The next prime is 1292990417. The reversal of 1292990414 is 4140992921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4140992921 = 13 ⋅318537917.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1292990417) 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 as a sum of consecutive naturals, namely, 323247602 + ... + 323247605.

It is an arithmetic number, because the mean of its divisors is an integer number (484871406).

Almost surely, 2^1292990414 is an apocalyptic number.

1292990414 is a deficient number, since it is larger than the sum of its proper divisors (646495210).

1292990414 is an equidigital number, since it uses as much as digits as its factorization.

1292990414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646495209.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 1292990414 is about 35958.1758992305. The cubic root of 1292990414 is about 1089.4277539419.

The spelling of 1292990414 in words is "one billion, two hundred ninety-two million, nine hundred ninety thousand, four hundred fourteen".