1292941490 has 32 divisors (see below), whose sum is σ = 2425752576. Its totient is φ = 495622080.

The previous prime is 1292941487. The next prime is 1292941499. The reversal of 1292941490 is 941492921.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1292941499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11684 + ... + 52176.

It is an arithmetic number, because the mean of its divisors is an integer number (75804768).

Almost surely, 2^1292941490 is an apocalyptic number.

1292941490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1292941490 is a deficient number, since it is larger than the sum of its proper divisors (1132811086).

1292941490 is a wasteful number, since it uses less digits than its factorization.

1292941490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40634.

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

The square root of 1292941490 is about 35957.4956024471. The cubic root of 1292941490 is about 1089.4140132276.

The spelling of 1292941490 in words is "one billion, two hundred ninety-two million, nine hundred forty-one thousand, four hundred ninety".