1249200 has 90 divisors (see below), whose sum is σ = 4347564. Its totient is φ = 332160.

The previous prime is 1249187. The next prime is 1249201. The reversal of 1249200 is 29421.

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1249201) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3427 + ... + 3773.

2^1249200 is an apocalyptic number.

1249200 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 1249200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2173782).

1249200 is an abundant number, since it is smaller than the sum of its proper divisors (3098364).

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

1249200 is a wasteful number, since it uses less digits than its factorization.

1249200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1249200 is about 1117.6761606118. The cubic root of 1249200 is about 107.6987489606.

The spelling of 1249200 in words is "one million, two hundred forty-nine thousand, two hundred".