1254520 has 32 divisors (see below), whose sum is σ = 2865600. Its totient is φ = 494208.

The previous prime is 1254503. The next prime is 1254523. The reversal of 1254520 is 254521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2962 + ... + 3358.

It is an arithmetic number, because the mean of its divisors is an integer number (89550).

2^1254520 is an apocalyptic number.

1254520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1254520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1432800).

1254520 is an abundant number, since it is smaller than the sum of its proper divisors (1611080).

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

1254520 is a wasteful number, since it uses less digits than its factorization.

1254520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1254520 is about 1120.0535701474. The cubic root of 1254520 is about 107.8514189114.

Subtracting from 1254520 its reverse (254521), we obtain a palindrome (999999).

The spelling of 1254520 in words is "one million, two hundred fifty-four thousand, five hundred twenty".