122142131 has 2 divisors, whose sum is σ = 122142132. Its totient is φ = 122142130.

The previous prime is 122142103. The next prime is 122142169. The reversal of 122142131 is 131241221.

It is a weak prime.

It is an emirp because it is prime and its reverse (131241221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122142131 is a prime.

It is a super-2 number, since 2×122142131² = 29837400330442322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122147131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61071065 + 61071066.

It is an arithmetic number, because the mean of its divisors is an integer number (61071066).

Almost surely, 2^122142131 is an apocalyptic number.

122142131 is a deficient number, since it is larger than the sum of its proper divisors (1).

122142131 is an equidigital number, since it uses as much as digits as its factorization.

122142131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96, while the sum is 17.

The square root of 122142131 is about 11051.7931124320. The cubic root of 122142131 is about 496.1600937316.

Adding to 122142131 its reverse (131241221), we get a palindrome (253383352).

The spelling of 122142131 in words is "one hundred twenty-two million, one hundred forty-two thousand, one hundred thirty-one".