148979122 has 4 divisors (see below), whose sum is σ = 223468686. Its totient is φ = 74489560.

The previous prime is 148979113. The next prime is 148979153. The reversal of 148979122 is 221979841.

It is a happy number.

148979122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 106481761 + 42497361 = 10319^2 + 6519^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37244779 + ... + 37244782.

Almost surely, 2^148979122 is an apocalyptic number.

148979122 is a deficient number, since it is larger than the sum of its proper divisors (74489564).

148979122 is an equidigital number, since it uses as much as digits as its factorization.

148979122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74489563.

The product of its digits is 72576, while the sum is 43.

The square root of 148979122 is about 12205.7003895721. The cubic root of 148979122 is about 530.1211565904.

The spelling of 148979122 in words is "one hundred forty-eight million, nine hundred seventy-nine thousand, one hundred twenty-two".