1149403 has 2 divisors, whose sum is σ = 1149404. Its totient is φ = 1149402.

The previous prime is 1149373. The next prime is 1149409. The reversal of 1149403 is 3049411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1149403 is a prime.

It is a super-2 number, since 2×1149403² = 2642254512818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1149409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574701 + 574702.

It is an arithmetic number, because the mean of its divisors is an integer number (574702).

2^1149403 is an apocalyptic number.

1149403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149403 is an equidigital number, since it uses as much as digits as its factorization.

1149403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1149403 is about 1072.1021406564. The cubic root of 1149403 is about 104.7508225946.

The spelling of 1149403 in words is "one million, one hundred forty-nine thousand, four hundred three".