121432134 has 32 divisors (see below), whose sum is σ = 256296960. Its totient is φ = 38278592.

The previous prime is 121432123. The next prime is 121432147. The reversal of 121432134 is 431234121.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121432134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7339 + ... + 17225.

It is an arithmetic number, because the mean of its divisors is an integer number (8009280).

Almost surely, 2^121432134 is an apocalyptic number.

121432134 is an abundant number, since it is smaller than the sum of its proper divisors (134864826).

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

121432134 is a wasteful number, since it uses less digits than its factorization.

121432134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10004.

The product of its digits is 576, while the sum is 21.

The square root of 121432134 is about 11019.6249482457. The cubic root of 121432134 is about 495.1968526303.

Adding to 121432134 its reverse (431234121), we get a palindrome (552666255).

The spelling of 121432134 in words is "one hundred twenty-one million, four hundred thirty-two thousand, one hundred thirty-four".