120101403 has 16 divisors (see below), whose sum is σ = 166325760. Its totient is φ = 77030496.

The previous prime is 120101393. The next prime is 120101407. The reversal of 120101403 is 304101021.

It is a happy number.

It is not a de Polignac number, because 120101403 - 2⁹ = 120100891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120101407) 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 15 ways as a sum of consecutive naturals, for example, 1101 + ... + 15537.

It is an arithmetic number, because the mean of its divisors is an integer number (10395360).

Almost surely, 2^120101403 is an apocalyptic number.

120101403 is a deficient number, since it is larger than the sum of its proper divisors (46224357).

120101403 is a wasteful number, since it uses less digits than its factorization.

120101403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14546.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 120101403 is about 10959.0785652809. The cubic root of 120101403 is about 493.3813098074.

Adding to 120101403 its reverse (304101021), we get a palindrome (424202424).

The spelling of 120101403 in words is "one hundred twenty million, one hundred one thousand, four hundred three".