122158332 has 36 divisors (see below), whose sum is σ = 312705120. Its totient is φ = 40203072.

The previous prime is 122158319. The next prime is 122158357. The reversal of 122158332 is 233851221.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 122158296 and 122158305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18633 + ... + 24320.

Almost surely, 2^122158332 is an apocalyptic number.

122158332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122158332 is an abundant number, since it is smaller than the sum of its proper divisors (190546788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122158332 is a wasteful number, since it uses less digits than its factorization.

122158332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43042 (or 43037 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 122158332 is about 11052.5260461127. The cubic root of 122158332 is about 496.1820297451.

The spelling of 122158332 in words is "one hundred twenty-two million, one hundred fifty-eight thousand, three hundred thirty-two".