120403153 has 8 divisors (see below), whose sum is σ = 130346496. Its totient is φ = 110557200.

The previous prime is 120403147. The next prime is 120403187. The reversal of 120403153 is 351304021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120403153 - 2⁹ = 120402641 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 120403153.

It is not an unprimeable number, because it can be changed into a prime (120403103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21763 + ... + 26728.

It is an arithmetic number, because the mean of its divisors is an integer number (16293312).

Almost surely, 2^120403153 is an apocalyptic number.

120403153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

120403153 is a deficient number, since it is larger than the sum of its proper divisors (9943343).

120403153 is a wasteful number, since it uses less digits than its factorization.

120403153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48695.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 120403153 is about 10972.8370533787. The cubic root of 120403153 is about 493.7941645481.

Adding to 120403153 its reverse (351304021), we get a palindrome (471707174).

The spelling of 120403153 in words is "one hundred twenty million, four hundred three thousand, one hundred fifty-three".