1273725794 has 8 divisors (see below), whose sum is σ = 2084278608. Its totient is φ = 578966260.

The previous prime is 1273725793. The next prime is 1273725797. The reversal of 1273725794 is 4975273721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1273725793) 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, 28948292 + ... + 28948335.

It is an arithmetic number, because the mean of its divisors is an integer number (260534826).

Almost surely, 2^1273725794 is an apocalyptic number.

1273725794 is a deficient number, since it is larger than the sum of its proper divisors (810552814).

1273725794 is a wasteful number, since it uses less digits than its factorization.

1273725794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57896640.

The product of its digits is 740880, while the sum is 47.

The square root of 1273725794 is about 35689.2952298025. The cubic root of 1273725794 is about 1083.9900968354.

The spelling of 1273725794 in words is "one billion, two hundred seventy-three million, seven hundred twenty-five thousand, seven hundred ninety-four".