122750501 has 2 divisors, whose sum is σ = 122750502. Its totient is φ = 122750500.

The previous prime is 122750479. The next prime is 122750513. The reversal of 122750501 is 105057221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77457601 + 45292900 = 8801^2 + 6730^2 .

It is an emirp because it is prime and its reverse (105057221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122750501 - 2²² = 118556197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122750561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61375250 + 61375251.

It is an arithmetic number, because the mean of its divisors is an integer number (61375251).

Almost surely, 2^122750501 is an apocalyptic number.

It is an amenable number.

122750501 is a deficient number, since it is larger than the sum of its proper divisors (1).

122750501 is an equidigital number, since it uses as much as digits as its factorization.

122750501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 122750501 is about 11079.2825128706. The cubic root of 122750501 is about 496.9824939484.

The spelling of 122750501 in words is "one hundred twenty-two million, seven hundred fifty thousand, five hundred one".