122291949 has 12 divisors (see below), whose sum is σ = 176564256. Its totient is φ = 75256272.

The previous prime is 122291933. The next prime is 122291959. The reversal of 122291949 is 949192221.

It is not a de Polignac number, because 122291949 - 2⁴ = 122291933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122291909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120097 + ... + 121110.

It is an arithmetic number, because the mean of its divisors is an integer number (14713688).

Almost surely, 2^122291949 is an apocalyptic number.

It is an amenable number.

122291949 is a deficient number, since it is larger than the sum of its proper divisors (54272307).

122291949 is a wasteful number, since it uses less digits than its factorization.

122291949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241236 (or 241223 counting only the distinct ones).

The product of its digits is 23328, while the sum is 39.

The square root of 122291949 is about 11058.5690303945. The cubic root of 122291949 is about 496.3628720871.

The spelling of 122291949 in words is "one hundred twenty-two million, two hundred ninety-one thousand, nine hundred forty-nine".