1148903 has 6 divisors (see below), whose sum is σ = 1336536. Its totient is φ = 984732.

The previous prime is 1148879. The next prime is 1148921. The reversal of 1148903 is 3098411.

It is not a de Polignac number, because 1148903 - 2⁶ = 1148839 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148933) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11675 + ... + 11772.

It is an arithmetic number, because the mean of its divisors is an integer number (222756).

2^1148903 is an apocalyptic number.

1148903 is a deficient number, since it is larger than the sum of its proper divisors (187633).

1148903 is an equidigital number, since it uses as much as digits as its factorization.

1148903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23461 (or 23454 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1148903 is about 1071.8689285542. The cubic root of 1148903 is about 104.7356312278.

The spelling of 1148903 in words is "one million, one hundred forty-eight thousand, nine hundred three".