120103021 has 8 divisors (see below), whose sum is σ = 124114688. Its totient is φ = 116100000.

The previous prime is 120103013. The next prime is 120103037. The reversal of 120103021 is 120301021.

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

It is a cyclic number.

It is not a de Polignac number, because 120103021 - 2³ = 120103013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120102989 and 120103007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120104021) 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, 38521 + ... + 41521.

It is an arithmetic number, because the mean of its divisors is an integer number (15514336).

Almost surely, 2^120103021 is an apocalyptic number.

It is an amenable number.

120103021 is a deficient number, since it is larger than the sum of its proper divisors (4011667).

120103021 is a wasteful number, since it uses less digits than its factorization.

120103021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4323.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 120103021 is about 10959.1523851072. The cubic root of 120103021 is about 493.3835254001.

Adding to 120103021 its reverse (120301021), we get a palindrome (240404042).

The spelling of 120103021 in words is "one hundred twenty million, one hundred three thousand, twenty-one".