1233157 has 8 divisors (see below), whose sum is σ = 1330560. Its totient is φ = 1139040.

The previous prime is 1233143. The next prime is 1233179. The reversal of 1233157 is 7513321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1233157 - 2¹⁵ = 1200389 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 (1233107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13 + ... + 1570.

It is an arithmetic number, because the mean of its divisors is an integer number (166320).

2^1233157 is an apocalyptic number.

It is an amenable number.

1233157 is a deficient number, since it is larger than the sum of its proper divisors (97403).

1233157 is a wasteful number, since it uses less digits than its factorization.

1233157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643.

The product of its digits is 630, while the sum is 22.

The square root of 1233157 is about 1110.4760240545. The cubic root of 1233157 is about 107.2357164069.

Adding to 1233157 its reverse (7513321), we get a palindrome (8746478).

The spelling of 1233157 in words is "one million, two hundred thirty-three thousand, one hundred fifty-seven".