121734911 has 4 divisors (see below), whose sum is σ = 121756992. Its totient is φ = 121712832.

The previous prime is 121734901. The next prime is 121734941. The reversal of 121734911 is 119437121.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 119437121 = 17 ⋅7025713.

It is a cyclic number.

It is not a de Polignac number, because 121734911 - 2²² = 117540607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121734901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4946 + ... + 16368.

It is an arithmetic number, because the mean of its divisors is an integer number (30439248).

Almost surely, 2^121734911 is an apocalyptic number.

121734911 is a deficient number, since it is larger than the sum of its proper divisors (22081).

121734911 is a wasteful number, since it uses less digits than its factorization.

121734911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22080.

The product of its digits is 1512, while the sum is 29.

The square root of 121734911 is about 11033.3544763141. The cubic root of 121734911 is about 495.6080830855.

The spelling of 121734911 in words is "one hundred twenty-one million, seven hundred thirty-four thousand, nine hundred eleven".