1253322200 has 96 divisors (see below), whose sum is σ = 3156829200. Its totient is φ = 460008960.

The previous prime is 1253322199. The next prime is 1253322227. The reversal of 1253322200 is 22233521.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 464054 + ... + 466746.

Almost surely, 2^1253322200 is an apocalyptic number.

1253322200 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 1253322200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1578414600).

1253322200 is an abundant number, since it is smaller than the sum of its proper divisors (1903507000).

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

1253322200 is a wasteful number, since it uses less digits than its factorization.

1253322200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901 (or 2892 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1253322200 is about 35402.2908863254. The cubic root of 1253322200 is about 1078.1708291938.

Adding to 1253322200 its reverse (22233521), we get a palindrome (1275555721).

The spelling of 1253322200 in words is "one billion, two hundred fifty-three million, three hundred twenty-two thousand, two hundred".