1273116292 has 12 divisors (see below), whose sum is σ = 2546232640. Its totient is φ = 545621256.

The previous prime is 1273116287. The next prime is 1273116293. The reversal of 1273116292 is 2926113721.

It is a happy number.

1273116292 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1273116293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22734192 + ... + 22734247.

Almost surely, 2^1273116292 is an apocalyptic number.

It is an amenable number.

1273116292 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1273116292 is a wasteful number, since it uses less digits than its factorization.

1273116292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45468450 (or 45468448 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 1273116292 is about 35680.7552050121. The cubic root of 1273116292 is about 1083.8171659613.

The spelling of 1273116292 in words is "one billion, two hundred seventy-three million, one hundred sixteen thousand, two hundred ninety-two".