1292672990 has 16 divisors (see below), whose sum is σ = 2659213152. Its totient is φ = 443202144.

The previous prime is 1292672963. The next prime is 1292673017. The reversal of 1292672990 is 992762921.

It is an interprime number because it is at equal distance from previous prime (1292672963) and next prime (1292673017).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9233309 + ... + 9233448.

It is an arithmetic number, because the mean of its divisors is an integer number (166200822).

Almost surely, 2^1292672990 is an apocalyptic number.

1292672990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1292672990 is an abundant number, since it is smaller than the sum of its proper divisors (1366540162).

1292672990 is a wasteful number, since it uses less digits than its factorization.

1292672990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18466771.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 1292672990 is about 35953.7618337776. The cubic root of 1292672990 is about 1089.3385965865.

The spelling of 1292672990 in words is "one billion, two hundred ninety-two million, six hundred seventy-two thousand, nine hundred ninety".