122845149 has 24 divisors (see below), whose sum is σ = 206623872. Its totient is φ = 68870880.

The previous prime is 122845117. The next prime is 122845181. The reversal of 122845149 is 941548221.

It is an interprime number because it is at equal distance from previous prime (122845117) and next prime (122845181).

It is not a de Polignac number, because 122845149 - 2⁵ = 122845117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122845249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15057 + ... + 21734.

It is an arithmetic number, because the mean of its divisors is an integer number (8609328).

Almost surely, 2^122845149 is an apocalyptic number.

It is an amenable number.

122845149 is a deficient number, since it is larger than the sum of its proper divisors (83778723).

122845149 is a wasteful number, since it uses less digits than its factorization.

122845149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36857 (or 36854 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 122845149 is about 11083.5530855408. The cubic root of 122845149 is about 497.1101955709.

The spelling of 122845149 in words is "one hundred twenty-two million, eight hundred forty-five thousand, one hundred forty-nine".