121161442 has 8 divisors (see below), whose sum is σ = 191307600. Its totient is φ = 57392244.

The previous prime is 121161379. The next prime is 121161451. The reversal of 121161442 is 244161121.

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

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, 1594192 + ... + 1594267.

It is an arithmetic number, because the mean of its divisors is an integer number (23913450).

Almost surely, 2^121161442 is an apocalyptic number.

121161442 is a deficient number, since it is larger than the sum of its proper divisors (70146158).

121161442 is a wasteful number, since it uses less digits than its factorization.

121161442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188480.

The product of its digits is 384, while the sum is 22.

The square root of 121161442 is about 11007.3358266204. The cubic root of 121161442 is about 494.8286207385.

The spelling of 121161442 in words is "one hundred twenty-one million, one hundred sixty-one thousand, four hundred forty-two".