131122907 has 2 divisors, whose sum is σ = 131122908. Its totient is φ = 131122906.

The previous prime is 131122883. The next prime is 131122919. The reversal of 131122907 is 709221131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131122907 - 2¹⁰ = 131121883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131122507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65561453 + 65561454.

It is an arithmetic number, because the mean of its divisors is an integer number (65561454).

Almost surely, 2^131122907 is an apocalyptic number.

131122907 is a deficient number, since it is larger than the sum of its proper divisors (1).

131122907 is an equidigital number, since it uses as much as digits as its factorization.

131122907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 131122907 is about 11450.8911006961. The cubic root of 131122907 is about 508.0340913220.

The spelling of 131122907 in words is "one hundred thirty-one million, one hundred twenty-two thousand, nine hundred seven".