120155706 has 24 divisors (see below), whose sum is σ = 284004864. Its totient is φ = 36410760.

The previous prime is 120155663. The next prime is 120155741. The reversal of 120155706 is 607551021.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120155706.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303226 + ... + 303621.

It is an arithmetic number, because the mean of its divisors is an integer number (11833536).

Almost surely, 2^120155706 is an apocalyptic number.

120155706 is an abundant number, since it is smaller than the sum of its proper divisors (163849158).

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

120155706 is a wasteful number, since it uses less digits than its factorization.

120155706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606866 (or 606863 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 120155706 is about 10961.5558202292. Note that the first 3 decimals coincide. The cubic root of 120155706 is about 493.4556582265.

The spelling of 120155706 in words is "one hundred twenty million, one hundred fifty-five thousand, seven hundred six".