120493887 has 16 divisors (see below), whose sum is σ = 163399680. Its totient is φ = 78965600.

The previous prime is 120493861. The next prime is 120493897. The reversal of 120493887 is 788394021.

It is a cyclic number.

It is not a de Polignac number, because 120493887 - 2¹⁴ = 120477503 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120493817) 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, 101437 + ... + 102617.

It is an arithmetic number, because the mean of its divisors is an integer number (10212480).

Almost surely, 2^120493887 is an apocalyptic number.

120493887 is a deficient number, since it is larger than the sum of its proper divisors (42905793).

120493887 is a wasteful number, since it uses less digits than its factorization.

120493887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 120493887 is about 10976.9707569985. The cubic root of 120493887 is about 493.9181720147.

The spelling of 120493887 in words is "one hundred twenty million, four hundred ninety-three thousand, eight hundred eighty-seven".