131122151 has 8 divisors (see below), whose sum is σ = 134158080. Its totient is φ = 128096568.

The previous prime is 131122133. The next prime is 131122153. The reversal of 131122151 is 151221131.

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 131122151 - 2¹⁰ = 131121127 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 (131122153) 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, 26840 + ... + 31346.

It is an arithmetic number, because the mean of its divisors is an integer number (16769760).

Almost surely, 2^131122151 is an apocalyptic number.

131122151 is a deficient number, since it is larger than the sum of its proper divisors (3035929).

131122151 is an equidigital number, since it uses as much as digits as its factorization.

131122151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5173.

The product of its digits is 60, while the sum is 17.

The square root of 131122151 is about 11450.8580901171. The cubic root of 131122151 is about 508.0331149492.

Adding to 131122151 its reverse (151221131), we get a palindrome (282343282).

The spelling of 131122151 in words is "one hundred thirty-one million, one hundred twenty-two thousand, one hundred fifty-one".