120402103 has 4 divisors (see below), whose sum is σ = 120548520. Its totient is φ = 120255688.

The previous prime is 120402101. The next prime is 120402119. The reversal of 120402103 is 301204021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301204021 = 23 ⋅13095827.

It is a cyclic number.

It is not a de Polignac number, because 120402103 - 2¹ = 120402101 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 (120402101) 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, 71968 + ... + 73621.

It is an arithmetic number, because the mean of its divisors is an integer number (30137130).

Almost surely, 2^120402103 is an apocalyptic number.

120402103 is a deficient number, since it is larger than the sum of its proper divisors (146417).

120402103 is an equidigital number, since it uses as much as digits as its factorization.

120402103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146416.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 120402103 is about 10972.7892078541. The cubic root of 120402103 is about 493.7927291334.

Adding to 120402103 its reverse (301204021), we get a palindrome (421606124).

The spelling of 120402103 in words is "one hundred twenty million, four hundred two thousand, one hundred three".