121134141042 has 16 divisors (see below), whose sum is σ = 242271698592. Its totient is φ = 40377477600.

The previous prime is 121134141041. The next prime is 121134141067. The reversal of 121134141042 is 240141431121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121134141041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 726417 + ... + 877467.

It is an arithmetic number, because the mean of its divisors is an integer number (15141981162).

Almost surely, 2^121134141042 is an apocalyptic number.

121134141042 is an abundant number, since it is smaller than the sum of its proper divisors (121137557550).

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

121134141042 is a wasteful number, since it uses less digits than its factorization.

121134141042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284713.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 121134141042 its reverse (240141431121), we get a palindrome (361275572163).

The spelling of 121134141042 in words is "one hundred twenty-one billion, one hundred thirty-four million, one hundred forty-one thousand, forty-two".