122415031 has 2 divisors, whose sum is σ = 122415032. Its totient is φ = 122415030.

The previous prime is 122415019. The next prime is 122415037. The reversal of 122415031 is 130514221.

It is a strong prime.

It is an emirp because it is prime and its reverse (130514221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122415031 - 2⁹ = 122414519 is a prime.

It is a super-2 number, since 2×122415031² = 29970879629461922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122415037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61207515 + 61207516.

It is an arithmetic number, because the mean of its divisors is an integer number (61207516).

Almost surely, 2^122415031 is an apocalyptic number.

122415031 is a deficient number, since it is larger than the sum of its proper divisors (1).

122415031 is an equidigital number, since it uses as much as digits as its factorization.

122415031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 122415031 is about 11064.1326365875. The cubic root of 122415031 is about 496.5293394382.

Adding to 122415031 its reverse (130514221), we get a palindrome (252929252).

The spelling of 122415031 in words is "one hundred twenty-two million, four hundred fifteen thousand, thirty-one".