121427042 has 16 divisors (see below), whose sum is σ = 198912672. Its totient is φ = 55134720.

The previous prime is 121427011. The next prime is 121427063. The reversal of 121427042 is 240724121.

It is a junction number, because it is equal to n+sod(n) for n = 121426999 and 121427017.

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, 22973 + ... + 27759.

It is an arithmetic number, because the mean of its divisors is an integer number (12432042).

Almost surely, 2^121427042 is an apocalyptic number.

121427042 is a deficient number, since it is larger than the sum of its proper divisors (77485630).

121427042 is a wasteful number, since it uses less digits than its factorization.

121427042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 121427042 is about 11019.3939034776. The cubic root of 121427042 is about 495.1899308556.

The spelling of 121427042 in words is "one hundred twenty-one million, four hundred twenty-seven thousand, forty-two".