1332157 has 4 divisors (see below), whose sum is σ = 1344060. Its totient is φ = 1320256.

The previous prime is 1332151. The next prime is 1332167. The reversal of 1332157 is 7512331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7512331 = 509 ⋅14759.

It can be written as a sum of positive squares in 2 ways, for example, as 30276 + 1301881 = 174^2 + 1141^2 .

It is a cyclic number.

It is not a de Polignac number, because 1332157 - 2¹⁹ = 807869 is a prime.

It is a Duffinian number.

1332157 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332151) 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, 5782 + ... + 6007.

It is an arithmetic number, because the mean of its divisors is an integer number (336015).

2^1332157 is an apocalyptic number.

It is an amenable number.

1332157 is a deficient number, since it is larger than the sum of its proper divisors (11903).

1332157 is a wasteful number, since it uses less digits than its factorization.

1332157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11902.

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

The square root of 1332157 is about 1154.1910587074. The cubic root of 1332157 is about 110.0318640472.

Adding to 1332157 its reverse (7512331), we get a palindrome (8844488).

The spelling of 1332157 in words is "one million, three hundred thirty-two thousand, one hundred fifty-seven".