1252281 has 8 divisors (see below), whose sum is σ = 1742400. Its totient is φ = 798512.

The previous prime is 1252267. The next prime is 1252283. The reversal of 1252281 is 1822521.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1252281 - 2⁶ = 1252217 is a prime.

It is a super-2 number, since 2×1252281² = 3136415405922, which contains 22 as substring.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 9006 + ... + 9143.

It is an arithmetic number, because the mean of its divisors is an integer number (217800).

2^1252281 is an apocalyptic number.

It is an amenable number.

1252281 is a deficient number, since it is larger than the sum of its proper divisors (490119).

1252281 is a wasteful number, since it uses less digits than its factorization.

1252281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18175.

The product of its digits is 320, while the sum is 21.

The square root of 1252281 is about 1119.0536180184. The cubic root of 1252281 is about 107.7872182265.

The spelling of 1252281 in words is "one million, two hundred fifty-two thousand, two hundred eighty-one".