122101501 has 2 divisors, whose sum is σ = 122101502. Its totient is φ = 122101500.

The previous prime is 122101487. The next prime is 122101523. The reversal of 122101501 is 105101221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68079001 + 54022500 = 8251^2 + 7350^2 .

It is a cyclic number.

It is not a de Polignac number, because 122101501 - 2¹⁵ = 122068733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122101541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050750 + 61050751.

It is an arithmetic number, because the mean of its divisors is an integer number (61050751).

Almost surely, 2^122101501 is an apocalyptic number.

It is an amenable number.

122101501 is a deficient number, since it is larger than the sum of its proper divisors (1).

122101501 is an equidigital number, since it uses as much as digits as its factorization.

122101501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 122101501 is about 11049.9547962876. The cubic root of 122101501 is about 496.1050725305.

Adding to 122101501 its reverse (105101221), we get a palindrome (227202722).

The spelling of 122101501 in words is "one hundred twenty-two million, one hundred one thousand, five hundred one".