1274255291 has 8 divisors (see below), whose sum is σ = 1295821824. Its totient is φ = 1252710720.

The previous prime is 1274255261. The next prime is 1274255293. The reversal of 1274255291 is 1925524721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1274255291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1274255293) 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, 146630 + ... + 155076.

It is an arithmetic number, because the mean of its divisors is an integer number (161977728).

Almost surely, 2^1274255291 is an apocalyptic number.

1274255291 is a deficient number, since it is larger than the sum of its proper divisors (21566533).

1274255291 is an equidigital number, since it uses as much as digits as its factorization.

1274255291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10981.

The product of its digits is 50400, while the sum is 38.

The square root of 1274255291 is about 35696.7126077458. The cubic root of 1274255291 is about 1084.1402835268.

The spelling of 1274255291 in words is "one billion, two hundred seventy-four million, two hundred fifty-five thousand, two hundred ninety-one".