122101415 has 4 divisors (see below), whose sum is σ = 146521704. Its totient is φ = 97681128.

The previous prime is 122101409. The next prime is 122101417. The reversal of 122101415 is 514101221.

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

It is a cyclic number.

It is not a de Polignac number, because 122101415 - 2¹⁸ = 121839271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122101393 and 122101402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122101417) 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, 12210137 + ... + 12210146.

It is an arithmetic number, because the mean of its divisors is an integer number (36630426).

Almost surely, 2^122101415 is an apocalyptic number.

122101415 is a deficient number, since it is larger than the sum of its proper divisors (24420289).

122101415 is an equidigital number, since it uses as much as digits as its factorization.

122101415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24420288.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 122101415 is about 11049.9509048683. The cubic root of 122101415 is about 496.1049560562.

Adding to 122101415 its reverse (514101221), we get a palindrome (636202636).

The spelling of 122101415 in words is "one hundred twenty-two million, one hundred one thousand, four hundred fifteen".