1049149 has 4 divisors (see below), whose sum is σ = 1074780. Its totient is φ = 1023520.

The previous prime is 1049143. The next prime is 1049171. The reversal of 1049149 is 9419401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9419401 = 281 ⋅33521.

It can be written as a sum of positive squares in 2 ways, for example, as 476100 + 573049 = 690^2 + 757^2 .

It is a cyclic number.

It is not a de Polignac number, because 1049149 - 2³ = 1049141 is a prime.

It is a super-2 number, since 2×1049149² = 2201427248402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12754 + ... + 12835.

It is an arithmetic number, because the mean of its divisors is an integer number (268695).

2^1049149 is an apocalyptic number.

It is an amenable number.

1049149 is a deficient number, since it is larger than the sum of its proper divisors (25631).

1049149 is an equidigital number, since it uses as much as digits as its factorization.

1049149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25630.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1049149 is about 1024.2797469442. The cubic root of 1049149 is about 101.6121694250.

The spelling of 1049149 in words is "one million, forty-nine thousand, one hundred forty-nine".