120253655 has 4 divisors (see below), whose sum is σ = 144304392. Its totient is φ = 96202920.

The previous prime is 120253621. The next prime is 120253657. The reversal of 120253655 is 556352021.

It is a happy number.

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

It is not a de Polignac number, because 120253655 - 2¹² = 120249559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120253657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12025361 + ... + 12025370.

It is an arithmetic number, because the mean of its divisors is an integer number (36076098).

Almost surely, 2^120253655 is an apocalyptic number.

120253655 is a deficient number, since it is larger than the sum of its proper divisors (24050737).

120253655 is an equidigital number, since it uses as much as digits as its factorization.

120253655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24050736.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 120253655 is about 10966.0227521194. The cubic root of 120253655 is about 493.5897075149.

The spelling of 120253655 in words is "one hundred twenty million, two hundred fifty-three thousand, six hundred fifty-five".