120312103 has 16 divisors (see below), whose sum is σ = 128468736. Its totient is φ = 112432320.

The previous prime is 120312061. The next prime is 120312121. The reversal of 120312103 is 301213021.

It is a cyclic number.

It is not a de Polignac number, because 120312103 - 2²¹ = 118214951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120312193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219676 + ... + 220222.

It is an arithmetic number, because the mean of its divisors is an integer number (8029296).

Almost surely, 2^120312103 is an apocalyptic number.

120312103 is a deficient number, since it is larger than the sum of its proper divisors (8156633).

120312103 is a wasteful number, since it uses less digits than its factorization.

120312103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 120312103 is about 10968.6873872857. The cubic root of 120312103 is about 493.6696625580.

Adding to 120312103 its reverse (301213021), we get a palindrome (421525124).

The spelling of 120312103 in words is "one hundred twenty million, three hundred twelve thousand, one hundred three".