122087131 has 2 divisors, whose sum is σ = 122087132. Its totient is φ = 122087130.

The previous prime is 122087101. The next prime is 122087137. The reversal of 122087131 is 131780221.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (131780221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122087131 - 2⁵ = 122087099 is a prime.

It is a super-2 number, since 2×122087131² = 29810535111622322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122087096 and 122087105.

It is not a weakly prime, because it can be changed into another prime (122087137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61043565 + 61043566.

It is an arithmetic number, because the mean of its divisors is an integer number (61043566).

Almost surely, 2^122087131 is an apocalyptic number.

122087131 is a deficient number, since it is larger than the sum of its proper divisors (1).

122087131 is an equidigital number, since it uses as much as digits as its factorization.

122087131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 122087131 is about 11049.3045482510. The cubic root of 122087131 is about 496.0856097351.

The spelling of 122087131 in words is "one hundred twenty-two million, eighty-seven thousand, one hundred thirty-one".