1342157 has 4 divisors (see below), whose sum is σ = 1349376. Its totient is φ = 1334940.

The previous prime is 1342153. The next prime is 1342163. The reversal of 1342157 is 7512431.

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 1342157 - 2² = 1342153 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342153) 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, 3323 + ... + 3704.

It is an arithmetic number, because the mean of its divisors is an integer number (337344).

2^1342157 is an apocalyptic number.

It is an amenable number.

1342157 is a deficient number, since it is larger than the sum of its proper divisors (7219).

1342157 is an equidigital number, since it uses as much as digits as its factorization.

1342157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7218.

The product of its digits is 840, while the sum is 23.

The square root of 1342157 is about 1158.5149977450. The cubic root of 1342157 is about 110.3065005551.

Adding to 1342157 its reverse (7512431), we get a palindrome (8854588).

The spelling of 1342157 in words is "one million, three hundred forty-two thousand, one hundred fifty-seven".