1481149 has 4 divisors (see below), whose sum is σ = 1528960. Its totient is φ = 1433340.

The previous prime is 1481143. The next prime is 1481153. The reversal of 1481149 is 9411841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1481149 - 2⁷ = 1481021 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 (1481143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23859 + ... + 23920.

It is an arithmetic number, because the mean of its divisors is an integer number (382240).

2^1481149 is an apocalyptic number.

It is an amenable number.

1481149 is a deficient number, since it is larger than the sum of its proper divisors (47811).

1481149 is an equidigital number, since it uses as much as digits as its factorization.

1481149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47810.

The product of its digits is 1152, while the sum is 28.

The square root of 1481149 is about 1217.0246505310. The cubic root of 1481149 is about 113.9898677770.

The spelling of 1481149 in words is "one million, four hundred eighty-one thousand, one hundred forty-nine".