120870618 has 16 divisors (see below), whose sum is σ = 263717856. Its totient is φ = 36627440.

The previous prime is 120870611. The next prime is 120870619. The reversal of 120870618 is 816078021.

It is a happy number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (120870611) 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, 915621 + ... + 915752.

It is an arithmetic number, because the mean of its divisors is an integer number (16482366).

Almost surely, 2^120870618 is an apocalyptic number.

120870618 is an abundant number, since it is smaller than the sum of its proper divisors (142847238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120870618 is a wasteful number, since it uses less digits than its factorization.

120870618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831389.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 120870618 is about 10994.1174270607. The cubic root of 120870618 is about 494.4323909063.

The spelling of 120870618 in words is "one hundred twenty million, eight hundred seventy thousand, six hundred eighteen".