120623539 has 8 divisors (see below), whose sum is σ = 121512960. Its totient is φ = 119737800.

The previous prime is 120623537. The next prime is 120623543. The reversal of 120623539 is 935326021.

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 120623539 - 2¹ = 120623537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120623539.

It is not an unprimeable number, because it can be changed into a prime (120623537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102424 + ... + 103594.

It is an arithmetic number, because the mean of its divisors is an integer number (15189120).

Almost surely, 2^120623539 is an apocalyptic number.

120623539 is a deficient number, since it is larger than the sum of its proper divisors (889421).

120623539 is a wasteful number, since it uses less digits than its factorization.

120623539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 120623539 is about 10982.8748058056. The cubic root of 120623539 is about 494.0952612871.

The spelling of 120623539 in words is "one hundred twenty million, six hundred twenty-three thousand, five hundred thirty-nine".