122250439 has 4 divisors (see below), whose sum is σ = 122298624. Its totient is φ = 122202256.

The previous prime is 122250437. The next prime is 122250461. The reversal of 122250439 is 934052221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934052221 = 1663 ⋅561667.

It is a cyclic number.

It is not a de Polignac number, because 122250439 - 2¹ = 122250437 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 (122250433) 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, 20062 + ... + 25435.

It is an arithmetic number, because the mean of its divisors is an integer number (30574656).

Almost surely, 2^122250439 is an apocalyptic number.

122250439 is a deficient number, since it is larger than the sum of its proper divisors (48185).

122250439 is an equidigital number, since it uses as much as digits as its factorization.

122250439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48184.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 122250439 is about 11056.6920459964. The cubic root of 122250439 is about 496.3067049813.

The spelling of 122250439 in words is "one hundred twenty-two million, two hundred fifty thousand, four hundred thirty-nine".