122431042 has 8 divisors (see below), whose sum is σ = 194449356. Its totient is φ = 57614592.

The previous prime is 122431031. The next prime is 122431063. The reversal of 122431042 is 240134221.

It can be written as a sum of positive squares in 2 ways, for example, as 92717641 + 29713401 = 9629^2 + 5451^2 .

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

It is an unprimeable number.

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, 1800423 + ... + 1800490.

Almost surely, 2^122431042 is an apocalyptic number.

122431042 is a deficient number, since it is larger than the sum of its proper divisors (72018314).

122431042 is a wasteful number, since it uses less digits than its factorization.

122431042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600932.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 122431042 is about 11064.8561671628. The cubic root of 122431042 is about 496.5509859758.

Adding to 122431042 its reverse (240134221), we get a palindrome (362565263).

The spelling of 122431042 in words is "one hundred twenty-two million, four hundred thirty-one thousand, forty-two".