122049637 has 2 divisors, whose sum is σ = 122049638. Its totient is φ = 122049636.

The previous prime is 122049623. The next prime is 122049659. The reversal of 122049637 is 736940221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86694721 + 35354916 = 9311^2 + 5946^2 .

It is a cyclic number.

It is not a de Polignac number, because 122049637 - 2⁷ = 122049509 is a prime.

It is a super-2 number, since 2×122049637² = 29792227783663538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122049607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61024818 + 61024819.

It is an arithmetic number, because the mean of its divisors is an integer number (61024819).

Almost surely, 2^122049637 is an apocalyptic number.

It is an amenable number.

122049637 is a deficient number, since it is larger than the sum of its proper divisors (1).

122049637 is an equidigital number, since it uses as much as digits as its factorization.

122049637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 122049637 is about 11047.6077500969. The cubic root of 122049637 is about 496.0348204938.

Adding to 122049637 its reverse (736940221), we get a palindrome (858989858).

The spelling of 122049637 in words is "one hundred twenty-two million, forty-nine thousand, six hundred thirty-seven".