121140834 has 16 divisors (see below), whose sum is σ = 242391072. Its totient is φ = 40362048.

The previous prime is 121140829. The next prime is 121140853. The reversal of 121140834 is 438041121.

It is a super-3 number, since 3×121140834³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20097 + ... + 25419.

It is an arithmetic number, because the mean of its divisors is an integer number (15149442).

Almost surely, 2^121140834 is an apocalyptic number.

121140834 is an abundant number, since it is smaller than the sum of its proper divisors (121250238).

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

121140834 is a wasteful number, since it uses less digits than its factorization.

121140834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9121.

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

The square root of 121140834 is about 11006.3996838203. The cubic root of 121140834 is about 494.8005644904.

Adding to 121140834 its reverse (438041121), we get a palindrome (559181955).

The spelling of 121140834 in words is "one hundred twenty-one million, one hundred forty thousand, eight hundred thirty-four".