122709901 has 2 divisors, whose sum is σ = 122709902. Its totient is φ = 122709900.

The previous prime is 122709869. The next prime is 122709931. The reversal of 122709901 is 109907221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64416676 + 58293225 = 8026^2 + 7635^2 .

It is an emirp because it is prime and its reverse (109907221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122709901 - 2⁵ = 122709869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122709931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61354950 + 61354951.

It is an arithmetic number, because the mean of its divisors is an integer number (61354951).

Almost surely, 2^122709901 is an apocalyptic number.

It is an amenable number.

122709901 is a deficient number, since it is larger than the sum of its proper divisors (1).

122709901 is an equidigital number, since it uses as much as digits as its factorization.

122709901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 122709901 is about 11077.4501127290. The cubic root of 122709901 is about 496.9276952196.

The spelling of 122709901 in words is "one hundred twenty-two million, seven hundred nine thousand, nine hundred one".