1149371 has 4 divisors (see below), whose sum is σ = 1164000. Its totient is φ = 1134744.

The previous prime is 1149361. The next prime is 1149373. The reversal of 1149371 is 1739411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1149371 - 2⁶ = 1149307 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1149371.

It is not an unprimeable number, because it can be changed into a prime (1149373) by changing a digit.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7196 + ... + 7353.

It is an arithmetic number, because the mean of its divisors is an integer number (291000).

2^1149371 is an apocalyptic number.

1149371 is a deficient number, since it is larger than the sum of its proper divisors (14629).

1149371 is an equidigital number, since it uses as much as digits as its factorization.

1149371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14628.

The product of its digits is 756, while the sum is 26.

The square root of 1149371 is about 1072.0872166013. The cubic root of 1149371 is about 104.7498504791.

It can be divided in two parts, 11493 and 71, that multiplied together give a triangular number (816003 = T₁₂₇₇).

The spelling of 1149371 in words is "one million, one hundred forty-nine thousand, three hundred seventy-one".