120453103 has 4 divisors (see below), whose sum is σ = 126792760. Its totient is φ = 114113448.

The previous prime is 120453097. The next prime is 120453107. The reversal of 120453103 is 301354021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120453103 - 2¹³ = 120444911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 6339637 = 120453103 / (1 + 2 + 0 + 4 + 5 + 3 + 1 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120453107) 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, 3169800 + ... + 3169837.

It is an arithmetic number, because the mean of its divisors is an integer number (31698190).

Almost surely, 2^120453103 is an apocalyptic number.

120453103 is a deficient number, since it is larger than the sum of its proper divisors (6339657).

120453103 is an equidigital number, since it uses as much as digits as its factorization.

120453103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6339656.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 120453103 is about 10975.1128923579. The cubic root of 120453103 is about 493.8624396386.

The spelling of 120453103 in words is "one hundred twenty million, four hundred fifty-three thousand, one hundred three".