1273296980 has 24 divisors (see below), whose sum is σ = 2683588488. Its totient is φ = 507477888.

The previous prime is 1273296979. The next prime is 1273297019. The reversal of 1273296980 is 896923721.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6791236 + 1266505744 = 2606^2 + 35588^2 .

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, 109379 + ... + 120458.

It is an arithmetic number, because the mean of its divisors is an integer number (111816187).

Almost surely, 2^1273296980 is an apocalyptic number.

1273296980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1273296980 is an abundant number, since it is smaller than the sum of its proper divisors (1410291508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1273296980 is a wasteful number, since it uses less digits than its factorization.

1273296980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230123 (or 230121 counting only the distinct ones).

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

The square root of 1273296980 is about 35683.2871243668. The cubic root of 1273296980 is about 1083.8684373948.

The spelling of 1273296980 in words is "one billion, two hundred seventy-three million, two hundred ninety-six thousand, nine hundred eighty".