122501101 has 4 divisors (see below), whose sum is σ = 123123132. Its totient is φ = 121879072.

The previous prime is 122501087. The next prime is 122501149. The reversal of 122501101 is 101105221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54834025 + 67667076 = 7405^2 + 8226^2 .

It is a cyclic number.

It is not a de Polignac number, because 122501101 - 2¹¹ = 122499053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122501501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310720 + ... + 311113.

It is an arithmetic number, because the mean of its divisors is an integer number (30780783).

Almost surely, 2^122501101 is an apocalyptic number.

It is an amenable number.

122501101 is a deficient number, since it is larger than the sum of its proper divisors (622031).

122501101 is an equidigital number, since it uses as much as digits as its factorization.

122501101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622030.

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

The square root of 122501101 is about 11068.0215485876. The cubic root of 122501101 is about 496.6456820906.

Adding to 122501101 its reverse (101105221), we get a palindrome (223606322).

The spelling of 122501101 in words is "one hundred twenty-two million, five hundred one thousand, one hundred one".