120553401 has 8 divisors (see below), whose sum is σ = 161091424. Its totient is φ = 80192160.

The previous prime is 120553399. The next prime is 120553403. The reversal of 120553401 is 104355021.

It is an interprime number because it is at equal distance from previous prime (120553399) and next prime (120553403).

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

It is not a de Polignac number, because 120553401 - 2¹ = 120553399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120553403) 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, 42595 + ... + 45336.

It is an arithmetic number, because the mean of its divisors is an integer number (20136428).

Almost surely, 2^120553401 is an apocalyptic number.

It is an amenable number.

120553401 is a deficient number, since it is larger than the sum of its proper divisors (40538023).

120553401 is an equidigital number, since it uses as much as digits as its factorization.

120553401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88391.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 120553401 is about 10979.6812795272. The cubic root of 120553401 is about 493.9994768526. Note that the first 3 decimals are identical.

The spelling of 120553401 in words is "one hundred twenty million, five hundred fifty-three thousand, four hundred one".