120553479 has 12 divisors (see below), whose sum is σ = 174237336. Its totient is φ = 80320752.

The previous prime is 120553471. The next prime is 120553481. The reversal of 120553479 is 974355021.

It is not a de Polignac number, because 120553479 - 2³ = 120553471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120553471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18372 + ... + 24054.

It is an arithmetic number, because the mean of its divisors is an integer number (14519778).

Almost surely, 2^120553479 is an apocalyptic number.

120553479 is a deficient number, since it is larger than the sum of its proper divisors (53683857).

120553479 is a wasteful number, since it uses less digits than its factorization.

120553479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8046 (or 8043 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 120553479 is about 10979.6848315423. The cubic root of 120553479 is about 493.9995833944. Note that the first 3 decimals are identical.

The spelling of 120553479 in words is "one hundred twenty million, five hundred fifty-three thousand, four hundred seventy-nine".