1250533200 has 120 divisors (see below), whose sum is σ = 4578173248. Its totient is φ = 285834240.

The previous prime is 1250533187. The next prime is 1250533213. The reversal of 1250533200 is 23350521.

It is an interprime number because it is at equal distance from previous prime (1250533187) and next prime (1250533213).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 66037 + ... + 82836.

Almost surely, 2^1250533200 is an apocalyptic number.

1250533200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1250533200 is an abundant number, since it is smaller than the sum of its proper divisors (3327640048).

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

1250533200 is a wasteful number, since it uses less digits than its factorization.

1250533200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148901 (or 148890 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 1250533200 is about 35362.8788420852. The cubic root of 1250533200 is about 1077.3704891865.

Adding to 1250533200 its reverse (23350521), we get a palindrome (1273883721).

The spelling of 1250533200 in words is "one billion, two hundred fifty million, five hundred thirty-three thousand, two hundred".