122922149 has 4 divisors (see below), whose sum is σ = 140482464. Its totient is φ = 105361836.

The previous prime is 122922127. The next prime is 122922167. The reversal of 122922149 is 941229221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 941229221 = 3709 ⋅253769.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122922149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122922109) 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, 8780147 + ... + 8780160.

It is an arithmetic number, because the mean of its divisors is an integer number (35120616).

Almost surely, 2^122922149 is an apocalyptic number.

It is an amenable number.

122922149 is a deficient number, since it is larger than the sum of its proper divisors (17560315).

122922149 is an equidigital number, since it uses as much as digits as its factorization.

122922149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17560314.

The product of its digits is 5184, while the sum is 32.

The square root of 122922149 is about 11087.0261567293. The cubic root of 122922149 is about 497.2140376590.

It can be divided in two parts, 12292 and 2149, that added together give a palindrome (14441).

The spelling of 122922149 in words is "one hundred twenty-two million, nine hundred twenty-two thousand, one hundred forty-nine".