120540873 has 4 divisors (see below), whose sum is σ = 160721168. Its totient is φ = 80360580.

The previous prime is 120540869. The next prime is 120540877. The reversal of 120540873 is 378045021.

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.

It is an interprime number because it is at equal distance from previous prime (120540869) and next prime (120540877).

It is not a de Polignac number, because 120540873 - 2² = 120540869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120540873.

It is not an unprimeable number, because it can be changed into a prime (120540877) 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, 20090143 + ... + 20090148.

It is an arithmetic number, because the mean of its divisors is an integer number (40180292).

Almost surely, 2^120540873 is an apocalyptic number.

It is an amenable number.

120540873 is a deficient number, since it is larger than the sum of its proper divisors (40180295).

120540873 is an equidigital number, since it uses as much as digits as its factorization.

120540873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40180294.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 120540873 is about 10979.1107563409. The cubic root of 120540873 is about 493.9823639942.

Adding to 120540873 its reverse (378045021), we get a palindrome (498585894).

The spelling of 120540873 in words is "one hundred twenty million, five hundred forty thousand, eight hundred seventy-three".