120103445 has 16 divisors (see below), whose sum is σ = 179687808. Its totient is φ = 74869440.

The previous prime is 120103439. The next prime is 120103457. The reversal of 120103445 is 544301021.

It is not a de Polignac number, because 120103445 - 2¹⁰ = 120102421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155594 + ... + 156363.

It is an arithmetic number, because the mean of its divisors is an integer number (11230488).

Almost surely, 2^120103445 is an apocalyptic number.

It is an amenable number.

120103445 is a deficient number, since it is larger than the sum of its proper divisors (59584363).

120103445 is a wasteful number, since it uses less digits than its factorization.

120103445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311980.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 120103445 is about 10959.1717296518. The cubic root of 120103445 is about 493.3841059971.

Adding to 120103445 its reverse (544301021), we get a palindrome (664404466).

The spelling of 120103445 in words is "one hundred twenty million, one hundred three thousand, four hundred forty-five".