1197457 has 4 divisors (see below), whose sum is σ = 1199680. Its totient is φ = 1195236.

The previous prime is 1197451. The next prime is 1197467. The reversal of 1197457 is 7547911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1197457 - 2¹⁵ = 1164689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1197451) 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, 268 + ... + 1570.

It is an arithmetic number, because the mean of its divisors is an integer number (299920).

2^1197457 is an apocalyptic number.

It is an amenable number.

1197457 is a deficient number, since it is larger than the sum of its proper divisors (2223).

1197457 is an equidigital number, since it uses as much as digits as its factorization.

1197457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222.

The product of its digits is 8820, while the sum is 34.

The square root of 1197457 is about 1094.2837840341. The cubic root of 1197457 is about 106.1907388101.

The spelling of 1197457 in words is "one million, one hundred ninety-seven thousand, four hundred fifty-seven".