121166042 has 8 divisors (see below), whose sum is σ = 187612032. Its totient is φ = 58628700.

The previous prime is 121166039. The next prime is 121166053. The reversal of 121166042 is 240661121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121165999 and 121166017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977084 + ... + 977207.

It is an arithmetic number, because the mean of its divisors is an integer number (23451504).

Almost surely, 2^121166042 is an apocalyptic number.

121166042 is a deficient number, since it is larger than the sum of its proper divisors (66445990).

121166042 is a wasteful number, since it uses less digits than its factorization.

121166042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954324.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 121166042 is about 11007.5447761978. The cubic root of 121166042 is about 494.8348828595.

The spelling of 121166042 in words is "one hundred twenty-one million, one hundred sixty-six thousand, forty-two".