1252028 has 24 divisors (see below), whose sum is σ = 2365440. Its totient is φ = 578160.

The previous prime is 1252021. The next prime is 1252037. The reversal of 1252028 is 8202521.

It is a super-2 number, since 2×1252028² = 3135148225568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2633 + ... + 3071.

It is an arithmetic number, because the mean of its divisors is an integer number (98560).

2^1252028 is an apocalyptic number.

It is an amenable number.

1252028 is a deficient number, since it is larger than the sum of its proper divisors (1113412).

1252028 is a wasteful number, since it uses less digits than its factorization.

1252028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1252028 is about 1118.9405703611. The cubic root of 1252028 is about 107.7799589392.

Adding to 1252028 its reverse (8202521), we get a palindrome (9454549).

The spelling of 1252028 in words is "one million, two hundred fifty-two thousand, twenty-eight".