121280134 has 4 divisors (see below), whose sum is σ = 181920204. Its totient is φ = 60640066.

The previous prime is 121280123. The next prime is 121280143. The reversal of 121280134 is 431082121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431082121 = 2131 ⋅202291.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30320032 + ... + 30320035.

It is an arithmetic number, because the mean of its divisors is an integer number (45480051).

Almost surely, 2^121280134 is an apocalyptic number.

121280134 is a deficient number, since it is larger than the sum of its proper divisors (60640070).

121280134 is an equidigital number, since it uses as much as digits as its factorization.

121280134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60640069.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 121280134 is about 11012.7260022212. The cubic root of 121280134 is about 494.9901491085.

The spelling of 121280134 in words is "one hundred twenty-one million, two hundred eighty thousand, one hundred thirty-four".