1249525 has 12 divisors (see below), whose sum is σ = 1564384. Its totient is φ = 990000.

The previous prime is 1249519. The next prime is 1249531. The reversal of 1249525 is 5259421.

It is an interprime number because it is at equal distance from previous prime (1249519) and next prime (1249531).

It is not a de Polignac number, because 1249525 - 2⁷ = 1249397 is a prime.

It is a super-2 number, since 2×1249525² = 3122625451250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1249493 and 1249502.

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, 3610 + ... + 3940.

2^1249525 is an apocalyptic number.

It is an amenable number.

1249525 is a deficient number, since it is larger than the sum of its proper divisors (314859).

1249525 is a wasteful number, since it uses less digits than its factorization.

1249525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 487 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 1249525 is about 1117.8215421077. The cubic root of 1249525 is about 107.7080880199.

The spelling of 1249525 in words is "one million, two hundred forty-nine thousand, five hundred twenty-five".