1249533 has 8 divisors (see below), whose sum is σ = 1851200. Its totient is φ = 833004.

The previous prime is 1249531. The next prime is 1249559. The reversal of 1249533 is 3359421.

1249533 is a `hidden beast` number, since 124 + 9 + 533 = 666.

It is not a de Polignac number, because 1249533 - 2¹ = 1249531 is a prime.

It is a super-2 number, since 2×1249533² = 3122665436178, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 46279 = 1249533 / (1 + 2 + 4 + 9 + 5 + 3 + 3).

It is a Duffinian number.

1249533 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1249497 and 1249506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249531) 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 7 ways as a sum of consecutive naturals, for example, 23113 + ... + 23166.

It is an arithmetic number, because the mean of its divisors is an integer number (231400).

2^1249533 is an apocalyptic number.

It is an amenable number.

1249533 is a deficient number, since it is larger than the sum of its proper divisors (601667).

1249533 is an equidigital number, since it uses as much as digits as its factorization.

1249533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46288 (or 46282 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 1249533 is about 1117.8251204907. The cubic root of 1249533 is about 107.7083178840.

The spelling of 1249533 in words is "one million, two hundred forty-nine thousand, five hundred thirty-three".