122250513 has 32 divisors (see below), whose sum is σ = 204503040. Its totient is φ = 63106560.

The previous prime is 122250511. The next prime is 122250521. The reversal of 122250513 is 315052221.

It is not a de Polignac number, because 122250513 - 2¹ = 122250511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122250513.

It is not an unprimeable number, because it can be changed into a prime (122250511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36993 + ... + 40161.

It is an arithmetic number, because the mean of its divisors is an integer number (6390720).

Almost surely, 2^122250513 is an apocalyptic number.

It is an amenable number.

122250513 is a deficient number, since it is larger than the sum of its proper divisors (82252527).

122250513 is a wasteful number, since it uses less digits than its factorization.

122250513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3357.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 122250513 is about 11056.6953923856. The cubic root of 122250513 is about 496.3068051219.

The spelling of 122250513 in words is "one hundred twenty-two million, two hundred fifty thousand, five hundred thirteen".