1297151 has 4 divisors (see below), whose sum is σ = 1373472. Its totient is φ = 1220832.

The previous prime is 1297147. The next prime is 1297157. The reversal of 1297151 is 1517921.

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

It is a cyclic number.

It is not a de Polignac number, because 1297151 - 2² = 1297147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1297151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297157) 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, 38135 + ... + 38168.

It is an arithmetic number, because the mean of its divisors is an integer number (343368).

2^1297151 is an apocalyptic number.

1297151 is a deficient number, since it is larger than the sum of its proper divisors (76321).

1297151 is an equidigital number, since it uses as much as digits as its factorization.

1297151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76320.

The product of its digits is 630, while the sum is 26.

The square root of 1297151 is about 1138.9253706894. The cubic root of 1297151 is about 109.0595023437.

The spelling of 1297151 in words is "one million, two hundred ninety-seven thousand, one hundred fifty-one".