120103455 has 32 divisors (see below), whose sum is σ = 199600128. Its totient is φ = 61603200.

The previous prime is 120103439. The next prime is 120103457. The reversal of 120103455 is 554301021.

It is not a de Polignac number, because 120103455 - 2⁴ = 120103439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120103457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83452 + ... + 84878.

It is an arithmetic number, because the mean of its divisors is an integer number (6237504).

Almost surely, 2^120103455 is an apocalyptic number.

120103455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120103455 is a deficient number, since it is larger than the sum of its proper divisors (79496673).

120103455 is a wasteful number, since it uses less digits than its factorization.

120103455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647.

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

The square root of 120103455 is about 10959.1721858907. The cubic root of 120103455 is about 493.3841196904.

Adding to 120103455 its reverse (554301021), we get a palindrome (674404476).

The spelling of 120103455 in words is "one hundred twenty million, one hundred three thousand, four hundred fifty-five".