1252289 has 4 divisors (see below), whose sum is σ = 1281456. Its totient is φ = 1223124.

The previous prime is 1252283. The next prime is 1252331. The reversal of 1252289 is 9822521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1252289 - 2¹² = 1248193 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (1252283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14519 + ... + 14604.

It is an arithmetic number, because the mean of its divisors is an integer number (320364).

2^1252289 is an apocalyptic number.

It is an amenable number.

1252289 is a deficient number, since it is larger than the sum of its proper divisors (29167).

1252289 is an equidigital number, since it uses as much as digits as its factorization.

1252289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29166.

The product of its digits is 2880, while the sum is 29.

The square root of 1252289 is about 1119.0571924616. The cubic root of 1252289 is about 107.7874477533.

The spelling of 1252289 in words is "one million, two hundred fifty-two thousand, two hundred eighty-nine".