120061566 has 24 divisors (see below), whose sum is σ = 269104680. Its totient is φ = 38640336.

The previous prime is 120061561. The next prime is 120061649. The reversal of 120061566 is 665160021.

It is a happy number.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120061561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114480 + ... + 115523.

It is an arithmetic number, because the mean of its divisors is an integer number (11212695).

Almost surely, 2^120061566 is an apocalyptic number.

120061566 is an abundant number, since it is smaller than the sum of its proper divisors (149043114).

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

120061566 is a wasteful number, since it uses less digits than its factorization.

120061566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230040 (or 230037 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 120061566 is about 10957.2608803478. The cubic root of 120061566 is about 493.3267531181.

The spelling of 120061566 in words is "one hundred twenty million, sixty-one thousand, five hundred sixty-six".