1249744 has 20 divisors (see below), whose sum is σ = 2549440. Its totient is φ = 591840.

The previous prime is 1249741. The next prime is 1249747. The reversal of 1249744 is 4479421.

It is an interprime number because it is at equal distance from previous prime (1249741) and next prime (1249747).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1752 + ... + 2359.

It is an arithmetic number, because the mean of its divisors is an integer number (127472).

2^1249744 is an apocalyptic number.

It is an amenable number.

1249744 is an abundant number, since it is smaller than the sum of its proper divisors (1299696).

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

1249744 is a wasteful number, since it uses less digits than its factorization.

1249744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138 (or 4132 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 1249744 is about 1117.9194962071. The cubic root of 1249744 is about 107.7143801958.

The spelling of 1249744 in words is "one million, two hundred forty-nine thousand, seven hundred forty-four".