121431122 has 16 divisors (see below), whose sum is σ = 191177280. Its totient is φ = 57736272.

The previous prime is 121431103. The next prime is 121431157. The reversal of 121431122 is 221134121.

It is a self number, because there is not a number n which added to its sum of digits gives 121431122.

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, 329 + ... + 15587.

It is an arithmetic number, because the mean of its divisors is an integer number (11948580).

Almost surely, 2^121431122 is an apocalyptic number.

121431122 is a deficient number, since it is larger than the sum of its proper divisors (69746158).

121431122 is a wasteful number, since it uses less digits than its factorization.

121431122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15457.

The product of its digits is 96, while the sum is 17.

The square root of 121431122 is about 11019.5790300719. The cubic root of 121431122 is about 495.1954769905.

Adding to 121431122 its reverse (221134121), we get a palindrome (342565243).

The spelling of 121431122 in words is "one hundred twenty-one million, four hundred thirty-one thousand, one hundred twenty-two".