122715150457 has 2 divisors, whose sum is σ = 122715150458. Its totient is φ = 122715150456.

The previous prime is 122715150431. The next prime is 122715150463. The reversal of 122715150457 is 754051517221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105757641616 + 16957508841 = 325204^2 + 130221^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122715150457 is a prime.

It is not a weakly prime, because it can be changed into another prime (122715150407) 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, 61357575228 + 61357575229.

It is an arithmetic number, because the mean of its divisors is an integer number (61357575229).

Almost surely, 2^122715150457 is an apocalyptic number.

It is an amenable number.

122715150457 is a deficient number, since it is larger than the sum of its proper divisors (1).

122715150457 is an equidigital number, since it uses as much as digits as its factorization.

122715150457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98000, while the sum is 40.

Adding to 122715150457 its reverse (754051517221), we get a palindrome (876766667678).

The spelling of 122715150457 in words is "one hundred twenty-two billion, seven hundred fifteen million, one hundred fifty thousand, four hundred fifty-seven".