1253924 has 24 divisors (see below), whose sum is σ = 2640960. Its totient is φ = 508896.

The previous prime is 1253911. The next prime is 1253947. The reversal of 1253924 is 4293521.

It is a d-powerful number, because it can be written as 1 + 2¹⁶ + 5⁸ + 3¹² + 9² + 2¹⁸ + 4⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 1253893 and 1253902.

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, 647 + ... + 1710.

It is an arithmetic number, because the mean of its divisors is an integer number (110040).

2^1253924 is an apocalyptic number.

1253924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1253924 is an abundant number, since it is smaller than the sum of its proper divisors (1387036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253924 is a wasteful number, since it uses less digits than its factorization.

1253924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387 (or 2385 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 1253924 is about 1119.7874798371. The cubic root of 1253924 is about 107.8343367796.

The spelling of 1253924 in words is "one million, two hundred fifty-three thousand, nine hundred twenty-four".