120102566 has 8 divisors (see below), whose sum is σ = 180225480. Its totient is φ = 60027408.

The previous prime is 120102547. The next prime is 120102607. The reversal of 120102566 is 665201021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4796 + ... + 16223.

It is an arithmetic number, because the mean of its divisors is an integer number (22528185).

Almost surely, 2^120102566 is an apocalyptic number.

120102566 is a deficient number, since it is larger than the sum of its proper divisors (60122914).

120102566 is a wasteful number, since it uses less digits than its factorization.

120102566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23878.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 120102566 is about 10959.1316261828. The cubic root of 120102566 is about 493.3829023523.

Adding to 120102566 its reverse (665201021), we get a palindrome (785303587).

The spelling of 120102566 in words is "one hundred twenty million, one hundred two thousand, five hundred sixty-six".