1357157 has 4 divisors (see below), whose sum is σ = 1362816. Its totient is φ = 1351500.

The previous prime is 1357129. The next prime is 1357163. The reversal of 1357157 is 7517531.

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 1357157 - 2¹⁰ = 1356133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2453 + ... + 2954.

It is an arithmetic number, because the mean of its divisors is an integer number (340704).

2^1357157 is an apocalyptic number.

It is an amenable number.

1357157 is a deficient number, since it is larger than the sum of its proper divisors (5659).

1357157 is an equidigital number, since it uses as much as digits as its factorization.

1357157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5658.

The product of its digits is 3675, while the sum is 29.

The square root of 1357157 is about 1164.9708150851. The cubic root of 1357157 is about 110.7159090788.

Subtracting from 1357157 its sum of digits (29), we obtain a triangular number (1357128 = T₁₆₄₇).

The spelling of 1357157 in words is "one million, three hundred fifty-seven thousand, one hundred fifty-seven".