120948839 has 4 divisors (see below), whose sum is σ = 131944200. Its totient is φ = 109953480.

The previous prime is 120948803. The next prime is 120948847. The reversal of 120948839 is 938849021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120948839 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 120948839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120948439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5497664 + ... + 5497685.

It is an arithmetic number, because the mean of its divisors is an integer number (32986050).

Almost surely, 2^120948839 is an apocalyptic number.

120948839 is a deficient number, since it is larger than the sum of its proper divisors (10995361).

120948839 is a wasteful number, since it uses less digits than its factorization.

120948839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10995360.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 120948839 is about 10997.6742541321. The cubic root of 120948839 is about 494.5390246410.

The spelling of 120948839 in words is "one hundred twenty million, nine hundred forty-eight thousand, eight hundred thirty-nine".