121835042 has 8 divisors (see below), whose sum is σ = 208860096. Its totient is φ = 52215012.

The previous prime is 121835041. The next prime is 121835069. The reversal of 121835042 is 240538121.

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

It is not an unprimeable number, because it can be changed into a prime (121835041) by changing a digit.

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, 4351238 + ... + 4351265.

It is an arithmetic number, because the mean of its divisors is an integer number (26107512).

Almost surely, 2^121835042 is an apocalyptic number.

121835042 is a deficient number, since it is larger than the sum of its proper divisors (87025054).

121835042 is an equidigital number, since it uses as much as digits as its factorization.

121835042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8702512.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 121835042 is about 11037.8911935206. The cubic root of 121835042 is about 495.7439305388.

The spelling of 121835042 in words is "one hundred twenty-one million, eight hundred thirty-five thousand, forty-two".