120146889 has 16 divisors (see below), whose sum is σ = 161619840. Its totient is φ = 79390080.

The previous prime is 120146863. The next prime is 120146891. The reversal of 120146889 is 988641021.

It is not a de Polignac number, because 120146889 - 2⁵ = 120146857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120146809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302439 + ... + 302835.

It is an arithmetic number, because the mean of its divisors is an integer number (10101240).

Almost surely, 2^120146889 is an apocalyptic number.

It is an amenable number.

120146889 is a deficient number, since it is larger than the sum of its proper divisors (41472951).

120146889 is a wasteful number, since it uses less digits than its factorization.

120146889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 120146889 is about 10961.1536345405. The cubic root of 120146889 is about 493.4435880410.

The spelling of 120146889 in words is "one hundred twenty million, one hundred forty-six thousand, eight hundred eighty-nine".