120158993 has 8 divisors (see below), whose sum is σ = 121646016. Its totient is φ = 118678000.

The previous prime is 120158981. The next prime is 120159019. The reversal of 120158993 is 399851021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120158993 - 2¹⁰ = 120157969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120158903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48380 + ... + 50802.

It is an arithmetic number, because the mean of its divisors is an integer number (15205752).

Almost surely, 2^120158993 is an apocalyptic number.

It is an amenable number.

120158993 is a deficient number, since it is larger than the sum of its proper divisors (1487023).

120158993 is a wasteful number, since it uses less digits than its factorization.

120158993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3015.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 120158993 is about 10961.7057522997. The cubic root of 120158993 is about 493.4601578712.

The spelling of 120158993 in words is "one hundred twenty million, one hundred fifty-eight thousand, nine hundred ninety-three".