1297752795 has 12 divisors (see below), whose sum is σ = 2249438256. Its totient is φ = 692134800.

The previous prime is 1297752791. The next prime is 1297752803. The reversal of 1297752795 is 5972577921.

It is a happy number.

1297752795 is a `hidden beast` number, since 1 + 29 + 7 + 7 + 527 + 95 = 666.

It is not a de Polignac number, because 1297752795 - 2² = 1297752791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1297752791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14419431 + ... + 14419520.

It is an arithmetic number, because the mean of its divisors is an integer number (187453188).

Almost surely, 2^1297752795 is an apocalyptic number.

1297752795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1297752795 is a deficient number, since it is larger than the sum of its proper divisors (951685461).

1297752795 is a wasteful number, since it uses less digits than its factorization.

1297752795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28838962 (or 28838959 counting only the distinct ones).

The product of its digits is 2778300, while the sum is 54.

The square root of 1297752795 is about 36024.3361493311. The cubic root of 1297752795 is about 1090.7636527799.

The spelling of 1297752795 in words is "one billion, two hundred ninety-seven million, seven hundred fifty-two thousand, seven hundred ninety-five".