120581047 has 4 divisors (see below), whose sum is σ = 120635536. Its totient is φ = 120526560.

The previous prime is 120581033. The next prime is 120581093. The reversal of 120581047 is 740185021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740185021 = 229 ⋅3232249.

It is a cyclic number.

It is not a de Polignac number, because 120581047 - 2⁷ = 120580919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120581347) 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, 23778 + ... + 28399.

It is an arithmetic number, because the mean of its divisors is an integer number (30158884).

Almost surely, 2^120581047 is an apocalyptic number.

120581047 is a deficient number, since it is larger than the sum of its proper divisors (54489).

120581047 is an equidigital number, since it uses as much as digits as its factorization.

120581047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54488.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 120581047 is about 10980.9401692205. The cubic root of 120581047 is about 494.0372362344.

The spelling of 120581047 in words is "one hundred twenty million, five hundred eighty-one thousand, forty-seven".