1052247 has 16 divisors (see below), whose sum is σ = 1624320. Its totient is φ = 593472.

The previous prime is 1052237. The next prime is 1052269. The reversal of 1052247 is 7422501.

It is not a de Polignac number, because 1052247 - 2⁴ = 1052231 is a prime.

It is a super-2 number, since 2×1052247² = 2214447498018, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1588 + ... + 2150.

It is an arithmetic number, because the mean of its divisors is an integer number (101520).

2^1052247 is an apocalyptic number.

1052247 is a deficient number, since it is larger than the sum of its proper divisors (572073).

1052247 is an equidigital number, since it uses as much as digits as its factorization.

1052247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1052247 is about 1025.7909143680. The cubic root of 1052247 is about 101.7120869642.

Adding to 1052247 its reverse (7422501), we get a palindrome (8474748).

The spelling of 1052247 in words is "one million, fifty-two thousand, two hundred forty-seven".