1249125 has 16 divisors (see below), whose sum is σ = 2079168. Its totient is φ = 666000.

The previous prime is 1249121. The next prime is 1249133. The reversal of 1249125 is 5219421.

It is not a de Polignac number, because 1249125 - 2² = 1249121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1249095 and 1249104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249121) 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 15 ways as a sum of consecutive naturals, for example, 1291 + ... + 2040.

It is an arithmetic number, because the mean of its divisors is an integer number (129948).

2^1249125 is an apocalyptic number.

1249125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1249125 is a deficient number, since it is larger than the sum of its proper divisors (830043).

1249125 is an equidigital number, since it uses as much as digits as its factorization.

1249125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349 (or 3339 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 1249125 is about 1117.6426083503. The cubic root of 1249125 is about 107.6965935631.

The spelling of 1249125 in words is "one million, two hundred forty-nine thousand, one hundred twenty-five".