149122 has 4 divisors (see below), whose sum is σ = 223686. Its totient is φ = 74560.

The previous prime is 149119. The next prime is 149143. The reversal of 149122 is 221941.

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., 123201 + 25921 = 351^2 + 161^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 149122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37279 + ... + 37282.

2¹⁴⁹¹²² is an apocalyptic number.

149122 is a deficient number, since it is larger than the sum of its proper divisors (74564).

149122 is an equidigital number, since it uses as much as digits as its factorization.

149122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74563.

The product of its digits is 144, while the sum is 19.

The square root of 149122 is about 386.1631779442. The cubic root of 149122 is about 53.0290572835.

The spelling of 149122 in words is "one hundred forty-nine thousand, one hundred twenty-two".