1297014755 has 4 divisors (see below), whose sum is σ = 1556417712. Its totient is φ = 1037611800.

The previous prime is 1297014751. The next prime is 1297014767. The reversal of 1297014755 is 5574107921.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1297014755 - 2² = 1297014751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1297014751) 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, 129701471 + ... + 129701480.

It is an arithmetic number, because the mean of its divisors is an integer number (389104428).

Almost surely, 2^1297014755 is an apocalyptic number.

1297014755 is a deficient number, since it is larger than the sum of its proper divisors (259402957).

1297014755 is an equidigital number, since it uses as much as digits as its factorization.

1297014755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259402956.

The product of its (nonzero) digits is 88200, while the sum is 41.

The square root of 1297014755 is about 36014.0910616942. The cubic root of 1297014755 is about 1090.5568389024.

The spelling of 1297014755 in words is "one billion, two hundred ninety-seven million, fourteen thousand, seven hundred fifty-five".