120687406 has 8 divisors (see below), whose sum is σ = 206892720. Its totient is φ = 51723168.

The previous prime is 120687401. The next prime is 120687407. The reversal of 120687406 is 604786021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120687401) 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, 4310251 + ... + 4310278.

It is an arithmetic number, because the mean of its divisors is an integer number (25861590).

Almost surely, 2^120687406 is an apocalyptic number.

120687406 is a deficient number, since it is larger than the sum of its proper divisors (86205314).

120687406 is an equidigital number, since it uses as much as digits as its factorization.

120687406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8620538.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 120687406 is about 10985.7819931036. The cubic root of 120687406 is about 494.1824493947.

The spelling of 120687406 in words is "one hundred twenty million, six hundred eighty-seven thousand, four hundred six".