1252400 has 60 divisors (see below), whose sum is σ = 3136704. Its totient is φ = 480000.

The previous prime is 1252399. The next prime is 1252403. The reversal of 1252400 is 42521.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1252403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12350 + ... + 12450.

2^1252400 is an apocalyptic number.

1252400 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 1252400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1568352).

1252400 is an abundant number, since it is smaller than the sum of its proper divisors (1884304).

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

1252400 is a wasteful number, since it uses less digits than its factorization.

1252400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1252400 is about 1119.1067866830. The cubic root of 1252400 is about 107.7906323359.

Adding to 1252400 its reverse (42521), we get a palindrome (1294921).

The spelling of 1252400 in words is "one million, two hundred fifty-two thousand, four hundred".