1149103 has 8 divisors (see below), whose sum is σ = 1225728. Its totient is φ = 1074744.

The previous prime is 1149061. The next prime is 1149131. The reversal of 1149103 is 3019411.

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 1149103 - 2¹³ = 1140911 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149163) 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, 550 + ... + 1612.

It is an arithmetic number, because the mean of its divisors is an integer number (153216).

2^1149103 is an apocalyptic number.

1149103 is a deficient number, since it is larger than the sum of its proper divisors (76625).

1149103 is a wasteful number, since it uses less digits than its factorization.

1149103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1149103 is about 1071.9622194835. The cubic root of 1149103 is about 104.7417083033.

The spelling of 1149103 in words is "one million, one hundred forty-nine thousand, one hundred three".