1249524 has 36 divisors (see below), whose sum is σ = 3215940. Its totient is φ = 408960.

The previous prime is 1249519. The next prime is 1249531. The reversal of 1249524 is 4259421.

It can be written as a sum of positive squares in 2 ways, for example, as 108900 + 1140624 = 330^2 + 1068^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1249524² = 3122620453152, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1912 + ... + 2480.

2^1249524 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1249524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607970).

1249524 is an abundant number, since it is smaller than the sum of its proper divisors (1966416).

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

1249524 is a wasteful number, since it uses less digits than its factorization.

1249524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 635 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1249524 is about 1117.8210948090. The cubic root of 1249524 is about 107.7080592868.

The spelling of 1249524 in words is "one million, two hundred forty-nine thousand, five hundred twenty-four".