120429889 has 4 divisors (see below), whose sum is σ = 120451840. Its totient is φ = 120407940.

The previous prime is 120429871. The next prime is 120429901. The reversal of 120429889 is 988924021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 988924021 = 97 ⋅10195093.

It is a cyclic number.

It is not a de Polignac number, because 120429889 - 2¹¹ = 120427841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120429289) 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, 5272 + ... + 16390.

It is an arithmetic number, because the mean of its divisors is an integer number (30112960).

Almost surely, 2^120429889 is an apocalyptic number.

It is an amenable number.

120429889 is a deficient number, since it is larger than the sum of its proper divisors (21951).

120429889 is a wasteful number, since it uses less digits than its factorization.

120429889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21950.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 120429889 is about 10974.0552668555. The cubic root of 120429889 is about 493.8307114972.

The spelling of 120429889 in words is "one hundred twenty million, four hundred twenty-nine thousand, eight hundred eighty-nine".