1357161 has 32 divisors (see below), whose sum is σ = 2177280. Its totient is φ = 743424.

The previous prime is 1357129. The next prime is 1357163. The reversal of 1357161 is 1617531.

It is not a de Polignac number, because 1357161 - 2⁵ = 1357129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357163) 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 31 ways as a sum of consecutive naturals, for example, 15205 + ... + 15293.

It is an arithmetic number, because the mean of its divisors is an integer number (68040).

2^1357161 is an apocalyptic number.

It is an amenable number.

1357161 is a deficient number, since it is larger than the sum of its proper divisors (820119).

1357161 is a wasteful number, since it uses less digits than its factorization.

1357161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145.

The product of its digits is 630, while the sum is 24.

The square root of 1357161 is about 1164.9725318650. The cubic root of 1357161 is about 110.7160178511.

Subtracting from 1357161 its product of digits (630), we obtain a palindrome (1356531).

The spelling of 1357161 in words is "one million, three hundred fifty-seven thousand, one hundred sixty-one".