12101403 has 8 divisors (see below), whose sum is σ = 16238608. Its totient is φ = 8015904.

The previous prime is 12101393. The next prime is 12101407. The reversal of 12101403 is 30410121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12101403 - 2⁸ = 12101147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101407) 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 7 ways as a sum of consecutive naturals, for example, 12376 + ... + 13317.

It is an arithmetic number, because the mean of its divisors is an integer number (2029826).

Almost surely, 2^12101403 is an apocalyptic number.

12101403 is a deficient number, since it is larger than the sum of its proper divisors (4137205).

12101403 is a wasteful number, since it uses less digits than its factorization.

12101403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25853.

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

The square root of 12101403 is about 3478.7070874105. The cubic root of 12101403 is about 229.5859153079.

Adding to 12101403 its reverse (30410121), we get a palindrome (42511524).

The spelling of 12101403 in words is "twelve million, one hundred one thousand, four hundred three".