120866383 has 8 divisors (see below), whose sum is σ = 135418320. Its totient is φ = 106908480.

The previous prime is 120866381. The next prime is 120866387. The reversal of 120866383 is 383668021.

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

It is a cyclic number.

It is not a de Polignac number, because 120866383 - 2¹ = 120866381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120866381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148078 + ... + 148891.

It is an arithmetic number, because the mean of its divisors is an integer number (16927290).

Almost surely, 2^120866383 is an apocalyptic number.

120866383 is the 5877-th centered heptagonal number.

120866383 is a deficient number, since it is larger than the sum of its proper divisors (14551937).

120866383 is a wasteful number, since it uses less digits than its factorization.

120866383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297017.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 120866383 is about 10993.9248223735. The cubic root of 120866383 is about 494.4266162864.

The spelling of 120866383 in words is "one hundred twenty million, eight hundred sixty-six thousand, three hundred eighty-three".