120081406 has 8 divisors (see below), whose sum is σ = 189602280. Its totient is φ = 56880648.

The previous prime is 120081397. The next prime is 120081407. The reversal of 120081406 is 604180021.

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 (120081407) 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, 1579981 + ... + 1580056.

It is an arithmetic number, because the mean of its divisors is an integer number (23700285).

Almost surely, 2^120081406 is an apocalyptic number.

120081406 is a deficient number, since it is larger than the sum of its proper divisors (69520874).

120081406 is a wasteful number, since it uses less digits than its factorization.

120081406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160058.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 120081406 is about 10958.1661786998. The cubic root of 120081406 is about 493.3539254654.

The spelling of 120081406 in words is "one hundred twenty million, eighty-one thousand, four hundred six".