122748937 has 2 divisors, whose sum is σ = 122748938. Its totient is φ = 122748936.

The previous prime is 122748931. The next prime is 122748973. The reversal of 122748937 is 739847221.

Together with next prime (122748973) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73342096 + 49406841 = 8564^2 + 7029^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122748937 is a prime.

It is equal to p_6989191 and since 122748937 and 6989191 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 122748893 and 122748902.

It is not a weakly prime, because it can be changed into another prime (122748931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61374468 + 61374469.

It is an arithmetic number, because the mean of its divisors is an integer number (61374469).

Almost surely, 2^122748937 is an apocalyptic number.

It is an amenable number.

122748937 is a deficient number, since it is larger than the sum of its proper divisors (1).

122748937 is an equidigital number, since it uses as much as digits as its factorization.

122748937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 43.

The square root of 122748937 is about 11079.2119304579. The cubic root of 122748937 is about 496.9803832063.

The spelling of 122748937 in words is "one hundred twenty-two million, seven hundred forty-eight thousand, nine hundred thirty-seven".