120106449 has 16 divisors (see below), whose sum is σ = 178358400. Its totient is φ = 79880688.

The previous prime is 120106423. The next prime is 120106451. The reversal of 120106449 is 944601021.

120106449 is a `hidden beast` number, since 1 + 2 + 0 + 10 + 644 + 9 = 666.

It is not a de Polignac number, because 120106449 - 2⁸ = 120106193 is a prime.

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

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120106489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6787 + ... + 16919.

It is an arithmetic number, because the mean of its divisors is an integer number (11147400).

Almost surely, 2^120106449 is an apocalyptic number.

It is an amenable number.

120106449 is a deficient number, since it is larger than the sum of its proper divisors (58251951).

120106449 is a wasteful number, since it uses less digits than its factorization.

120106449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10581 (or 10575 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 120106449 is about 10959.3087829479. The cubic root of 120106449 is about 493.3882194331.

The spelling of 120106449 in words is "one hundred twenty million, one hundred six thousand, four hundred forty-nine".