1252500 has 60 divisors (see below), whose sum is σ = 3673824. Its totient is φ = 332000.

The previous prime is 1252483. The next prime is 1252507. The reversal of 1252500 is 52521.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1252500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252507) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7417 + ... + 7583.

2^1252500 is an apocalyptic number.

1252500 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 1252500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1836912).

1252500 is an abundant number, since it is smaller than the sum of its proper divisors (2421324).

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

1252500 is a wasteful number, since it uses less digits than its factorization.

1252500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 1252500 is about 1119.1514642800. The cubic root of 1252500 is about 107.7935011681.

The spelling of 1252500 in words is "one million, two hundred fifty-two thousand, five hundred".