1252985 has 8 divisors (see below), whose sum is σ = 1592136. Its totient is φ = 943360.

The previous prime is 1252963. The next prime is 1252987. The reversal of 1252985 is 5892521.

It can be written as a sum of positive squares in 4 ways, for example, as 619369 + 633616 = 787^2 + 796^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1252985 - 2⁶ = 1252921 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1252987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7286 + ... + 7455.

It is an arithmetic number, because the mean of its divisors is an integer number (199017).

2^1252985 is an apocalyptic number.

It is an amenable number.

1252985 is a deficient number, since it is larger than the sum of its proper divisors (339151).

1252985 is a wasteful number, since it uses less digits than its factorization.

1252985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14763.

The product of its digits is 7200, while the sum is 32.

The square root of 1252985 is about 1119.3681253279. The cubic root of 1252985 is about 107.8074128384.

The spelling of 1252985 in words is "one million, two hundred fifty-two thousand, nine hundred eighty-five".