11990103 has 8 divisors (see below), whose sum is σ = 16104048. Its totient is φ = 7934784.

The previous prime is 11990101. The next prime is 11990113. The reversal of 11990103 is 30109911.

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

It is not a de Polignac number, because 11990103 - 2¹ = 11990101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11990101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14176 + ... + 14997.

It is an arithmetic number, because the mean of its divisors is an integer number (2013006).

Almost surely, 2^11990103 is an apocalyptic number.

11990103 is a deficient number, since it is larger than the sum of its proper divisors (4113945).

11990103 is a wasteful number, since it uses less digits than its factorization.

11990103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29313.

The product of its (nonzero) digits is 243, while the sum is 24.

The square root of 11990103 is about 3462.6728115720. The cubic root of 11990103 is about 228.8798909947.

The spelling of 11990103 in words is "eleven million, nine hundred ninety thousand, one hundred three".