1253428 has 24 divisors (see below), whose sum is σ = 2437344. Its totient is φ = 559200.

The previous prime is 1253401. The next prime is 1253437. The reversal of 1253428 is 8243521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2451 + ... + 2917.

It is an arithmetic number, because the mean of its divisors is an integer number (101556).

2^1253428 is an apocalyptic number.

It is an amenable number.

1253428 is a deficient number, since it is larger than the sum of its proper divisors (1183916).

1253428 is a wasteful number, since it uses less digits than its factorization.

1253428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 541 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 1253428 is about 1119.5659873362. The cubic root of 1253428 is about 107.8201166502.

Adding to 1253428 its reverse (8243521), we get a palindrome (9496949).

It can be divided in two parts, 1253 and 428, that added together give a square (1681 = 41²).

The spelling of 1253428 in words is "one million, two hundred fifty-three thousand, four hundred twenty-eight".