1252417 has 4 divisors (see below), whose sum is σ = 1257156. Its totient is φ = 1247680.

The previous prime is 1252411. The next prime is 1252421. The reversal of 1252417 is 7142521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 863041 + 389376 = 929^2 + 624^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252417 - 2¹⁵ = 1219649 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252411) 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, 1948 + ... + 2509.

It is an arithmetic number, because the mean of its divisors is an integer number (314289).

2^1252417 is an apocalyptic number.

It is an amenable number.

1252417 is a deficient number, since it is larger than the sum of its proper divisors (4739).

1252417 is an equidigital number, since it uses as much as digits as its factorization.

1252417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738.

The product of its digits is 560, while the sum is 22.

The square root of 1252417 is about 1119.1143820003. The cubic root of 1252417 is about 107.7911200481.

Adding to 1252417 its reverse (7142521), we get a palindrome (8394938).

The spelling of 1252417 in words is "one million, two hundred fifty-two thousand, four hundred seventeen".