122130158 has 8 divisors (see below), whose sum is σ = 187093152. Its totient is φ = 59765776.

The previous prime is 122130149. The next prime is 122130163. The reversal of 122130158 is 851031221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649535 + ... + 649722.

It is an arithmetic number, because the mean of its divisors is an integer number (23386644).

Almost surely, 2^122130158 is an apocalyptic number.

122130158 is a deficient number, since it is larger than the sum of its proper divisors (64962994).

122130158 is a wasteful number, since it uses less digits than its factorization.

122130158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299306.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 122130158 is about 11051.2514223503. The cubic root of 122130158 is about 496.1438811470.

Adding to 122130158 its reverse (851031221), we get a palindrome (973161379).

The spelling of 122130158 in words is "one hundred twenty-two million, one hundred thirty thousand, one hundred fifty-eight".