122272148 has 6 divisors (see below), whose sum is σ = 213976266. Its totient is φ = 61136072.

The previous prime is 122272147. The next prime is 122272159. The reversal of 122272148 is 841272221.

It can be written as a sum of positive squares in only one way, i.e., 117245584 + 5026564 = 10828^2 + 2242^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122272148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122272141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15284015 + ... + 15284022.

It is an arithmetic number, because the mean of its divisors is an integer number (35662711).

Almost surely, 2^122272148 is an apocalyptic number.

It is an amenable number.

122272148 is a deficient number, since it is larger than the sum of its proper divisors (91704118).

122272148 is a wasteful number, since it uses less digits than its factorization.

122272148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30568041 (or 30568039 counting only the distinct ones).

The product of its digits is 3584, while the sum is 29.

The square root of 122272148 is about 11057.6737155697. The cubic root of 122272148 is about 496.3360809755.

The spelling of 122272148 in words is "one hundred twenty-two million, two hundred seventy-two thousand, one hundred forty-eight".