1157401 has 4 divisors (see below), whose sum is σ = 1322752. Its totient is φ = 992052.

The previous prime is 1157393. The next prime is 1157413. The reversal of 1157401 is 1047511.

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 1157401 - 2³ = 1157393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1157491) 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, 82665 + ... + 82678.

It is an arithmetic number, because the mean of its divisors is an integer number (330688).

2^1157401 is an apocalyptic number.

It is an amenable number.

1157401 is a deficient number, since it is larger than the sum of its proper divisors (165351).

1157401 is an equidigital number, since it uses as much as digits as its factorization.

1157401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165350.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 1157401 is about 1075.8257293819. The cubic root of 1157401 is about 104.9932270764.

The spelling of 1157401 in words is "one million, one hundred fifty-seven thousand, four hundred one".