1292494970 has 16 divisors (see below), whose sum is σ = 2505452040. Its totient is φ = 477228864.

The previous prime is 1292494967. The next prime is 1292494979. The reversal of 1292494970 is 794942921.

It can be written as a sum of positive squares in 4 ways, for example, as 889649929 + 402845041 = 29827^2 + 20071^2 .

It is not an unprimeable number, because it can be changed into a prime (1292494979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4971005 + ... + 4971264.

Almost surely, 2^1292494970 is an apocalyptic number.

1292494970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1292494970 is a deficient number, since it is larger than the sum of its proper divisors (1212957070).

1292494970 is a wasteful number, since it uses less digits than its factorization.

1292494970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9942289.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 1292494970 is about 35951.2860687904. The cubic root of 1292494970 is about 1089.2885883320.

The spelling of 1292494970 in words is "one billion, two hundred ninety-two million, four hundred ninety-four thousand, nine hundred seventy".