1249441 has 4 divisors (see below), whose sum is σ = 1260612. Its totient is φ = 1238272.

The previous prime is 1249433. The next prime is 1249477. The reversal of 1249441 is 1449421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1449421 = 61 ⋅23761.

It can be written as a sum of positive squares in 2 ways, for example, as 102400 + 1147041 = 320^2 + 1071^2 .

It is a cyclic number.

It is not a de Polignac number, because 1249441 - 2³ = 1249433 is a prime.

It is a super-2 number, since 2×1249441² = 3122205624962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1249411) 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, 5416 + ... + 5641.

It is an arithmetic number, because the mean of its divisors is an integer number (315153).

2^1249441 is an apocalyptic number.

It is an amenable number.

1249441 is a deficient number, since it is larger than the sum of its proper divisors (11171).

1249441 is a wasteful number, since it uses less digits than its factorization.

1249441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11170.

The product of its digits is 1152, while the sum is 25.

The square root of 1249441 is about 1117.7839683946. The cubic root of 1249441 is about 107.7056743874.

The spelling of 1249441 in words is "one million, two hundred forty-nine thousand, four hundred forty-one".