131122571 has 2 divisors, whose sum is σ = 131122572. Its totient is φ = 131122570.

The previous prime is 131122559. The next prime is 131122613. The reversal of 131122571 is 175221131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131122571 - 2⁶ = 131122507 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131122501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65561285 + 65561286.

It is an arithmetic number, because the mean of its divisors is an integer number (65561286).

Almost surely, 2^131122571 is an apocalyptic number.

131122571 is a deficient number, since it is larger than the sum of its proper divisors (1).

131122571 is an equidigital number, since it uses as much as digits as its factorization.

131122571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420, while the sum is 23.

The square root of 131122571 is about 11450.8764293394. The cubic root of 131122571 is about 508.0336573790.

The spelling of 131122571 in words is "one hundred thirty-one million, one hundred twenty-two thousand, five hundred seventy-one".