122762501 has 2 divisors, whose sum is σ = 122762502. Its totient is φ = 122762500.

The previous prime is 122762489. The next prime is 122762509. The reversal of 122762501 is 105267221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116661601 + 6100900 = 10801^2 + 2470^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122762501 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122762509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61381250 + 61381251.

It is an arithmetic number, because the mean of its divisors is an integer number (61381251).

Almost surely, 2^122762501 is an apocalyptic number.

It is an amenable number.

122762501 is a deficient number, since it is larger than the sum of its proper divisors (1).

122762501 is an equidigital number, since it uses as much as digits as its factorization.

122762501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 122762501 is about 11079.8240509495. The cubic root of 122762501 is about 496.9986883034.

The spelling of 122762501 in words is "one hundred twenty-two million, seven hundred sixty-two thousand, five hundred one".