111402003 has 24 divisors (see below), whose sum is σ = 162581904. Its totient is φ = 67614720.

The previous prime is 111402001. The next prime is 111402013. The reversal of 111402003 is 300204111.

It is a happy number.

It is not a de Polignac number, because 111402003 - 2¹ = 111402001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111402003.

It is not an unprimeable number, because it can be changed into a prime (111402001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47875 + ... + 50147.

It is an arithmetic number, because the mean of its divisors is an integer number (6774246).

Almost surely, 2^111402003 is an apocalyptic number.

111402003 is a deficient number, since it is larger than the sum of its proper divisors (51179901).

111402003 is a wasteful number, since it uses less digits than its factorization.

111402003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355 (or 2324 counting only the distinct ones).

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

The square root of 111402003 is about 10554.7147284993. The cubic root of 111402003 is about 481.1690298813.

Adding to 111402003 its reverse (300204111), we get a palindrome (411606114).

The spelling of 111402003 in words is "one hundred eleven million, four hundred two thousand, three".