121324142 has 16 divisors (see below), whose sum is σ = 188479872. Its totient is φ = 58510560.

The previous prime is 121324127. The next prime is 121324153. The reversal of 121324142 is 241423121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16568 + ... + 22740.

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

Almost surely, 2^121324142 is an apocalyptic number.

121324142 is a deficient number, since it is larger than the sum of its proper divisors (67155730).

121324142 is a wasteful number, since it uses less digits than its factorization.

121324142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6523.

The product of its digits is 384, while the sum is 20.

The square root of 121324142 is about 11014.7238730710. The cubic root of 121324142 is about 495.0500129721.

Adding to 121324142 its reverse (241423121), we get a palindrome (362747263).

The spelling of 121324142 in words is "one hundred twenty-one million, three hundred twenty-four thousand, one hundred forty-two".