120528401 has 4 divisors (see below), whose sum is σ = 137746752. Its totient is φ = 103310052.

The previous prime is 120528371. The next prime is 120528407. The reversal of 120528401 is 104825021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120528401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120528407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8609165 + ... + 8609178.

It is an arithmetic number, because the mean of its divisors is an integer number (34436688).

Almost surely, 2^120528401 is an apocalyptic number.

It is an amenable number.

120528401 is a deficient number, since it is larger than the sum of its proper divisors (17218351).

120528401 is an equidigital number, since it uses as much as digits as its factorization.

120528401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17218350.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 120528401 is about 10978.5427539360. The cubic root of 120528401 is about 493.9653264522.

The spelling of 120528401 in words is "one hundred twenty million, five hundred twenty-eight thousand, four hundred one".