120203955249 has 48 divisors (see below), whose sum is σ = 194663856768. Its totient is φ = 64618426368.

The previous prime is 120203955241. The next prime is 120203955301. The reversal of 120203955249 is 942559302021.

It is not a de Polignac number, because 120203955249 - 2³ = 120203955241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120203955249.

It is not an unprimeable number, because it can be changed into a prime (120203955241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25809129 + ... + 25813785.

It is an arithmetic number, because the mean of its divisors is an integer number (4055497016).

Almost surely, 2^120203955249 is an apocalyptic number.

It is an amenable number.

120203955249 is a deficient number, since it is larger than the sum of its proper divisors (74459901519).

120203955249 is a wasteful number, since it uses less digits than its factorization.

120203955249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8954 (or 8937 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 120203955249 in words is "one hundred twenty billion, two hundred three million, nine hundred fifty-five thousand, two hundred forty-nine".