1249504 has 12 divisors (see below), whose sum is σ = 2460024. Its totient is φ = 624736.

The previous prime is 1249499. The next prime is 1249511. The reversal of 1249504 is 4059421.

1249504 = 107² + 108² + ... + 170².

It is a super-2 number, since 2×1249504² = 3122520492032, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19492 + ... + 19555.

It is an arithmetic number, because the mean of its divisors is an integer number (205002).

2^1249504 is an apocalyptic number.

It is an amenable number.

1249504 is a deficient number, since it is larger than the sum of its proper divisors (1210520).

1249504 is an equidigital number, since it uses as much as digits as its factorization.

1249504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39057 (or 39049 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1249504 is about 1117.8121487978. The cubic root of 1249504 is about 107.7074846219.

The spelling of 1249504 in words is "one million, two hundred forty-nine thousand, five hundred four".