121434042 has 32 divisors (see below), whose sum is σ = 248001984. Its totient is φ = 39628800.

The previous prime is 121434031. The next prime is 121434091. The reversal of 121434042 is 240434121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93417 + ... + 94707.

It is an arithmetic number, because the mean of its divisors is an integer number (7750062).

Almost surely, 2^121434042 is an apocalyptic number.

121434042 is an abundant number, since it is smaller than the sum of its proper divisors (126567942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121434042 is a wasteful number, since it uses less digits than its factorization.

121434042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 121434042 is about 11019.7115207250. The cubic root of 121434042 is about 495.1994462069.

Adding to 121434042 its reverse (240434121), we get a palindrome (361868163).

The spelling of 121434042 in words is "one hundred twenty-one million, four hundred thirty-four thousand, forty-two".