122159542 has 8 divisors (see below), whose sum is σ = 189558000. Its totient is φ = 58973544.

The previous prime is 122159537. The next prime is 122159549. The reversal of 122159542 is 245951221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122159549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1053042 + ... + 1053157.

It is an arithmetic number, because the mean of its divisors is an integer number (23694750).

Almost surely, 2^122159542 is an apocalyptic number.

122159542 is a deficient number, since it is larger than the sum of its proper divisors (67398458).

122159542 is a wasteful number, since it uses less digits than its factorization.

122159542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106230.

The product of its digits is 7200, while the sum is 31.

The square root of 122159542 is about 11052.5807845951. The cubic root of 122159542 is about 496.1836679968.

The spelling of 122159542 in words is "one hundred twenty-two million, one hundred fifty-nine thousand, five hundred forty-two".