122589442 has 16 divisors (see below), whose sum is σ = 188479872. Its totient is φ = 59772400.

The previous prime is 122589437. The next prime is 122589449. The reversal of 122589442 is 244985221.

It is not an unprimeable number, because it can be changed into a prime (122589449) 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 7 ways as a sum of consecutive naturals, for example, 25317 + ... + 29767.

It is an arithmetic number, because the mean of its divisors is an integer number (11779992).

Almost surely, 2^122589442 is an apocalyptic number.

122589442 is a deficient number, since it is larger than the sum of its proper divisors (65890430).

122589442 is a wasteful number, since it uses less digits than its factorization.

122589442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4793.

The product of its digits is 46080, while the sum is 37.

The square root of 122589442 is about 11072.0116510054. The cubic root of 122589442 is about 496.7650378448.

The spelling of 122589442 in words is "one hundred twenty-two million, five hundred eighty-nine thousand, four hundred forty-two".