1249144 has 16 divisors (see below), whose sum is σ = 2522520. Its totient is φ = 576480.

The previous prime is 1249141. The next prime is 1249151. The reversal of 1249144 is 4419421.

It is a super-3 number, since 3×1249144³ = 5847345741398333952, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249141) 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, 5902 + ... + 6109.

2^1249144 is an apocalyptic number.

It is an amenable number.

1249144 is an abundant number, since it is smaller than the sum of its proper divisors (1273376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1249144 is a wasteful number, since it uses less digits than its factorization.

1249144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12030 (or 12026 counting only the distinct ones).

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

The square root of 1249144 is about 1117.6511083518. The cubic root of 1249144 is about 107.6971396053.

The spelling of 1249144 in words is "one million, two hundred forty-nine thousand, one hundred forty-four".