1245131250 has 96 divisors (see below), whose sum is σ = 3396157632. Its totient is φ = 301800000.

The previous prime is 1245131233. The next prime is 1245131309. The reversal of 1245131250 is 521315421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1245131250.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 203232 + ... + 209268.

It is an arithmetic number, because the mean of its divisors is an integer number (35376642).

Almost surely, 2^1245131250 is an apocalyptic number.

1245131250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1245131250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1698078816).

1245131250 is an abundant number, since it is smaller than the sum of its proper divisors (2151026382).

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

1245131250 is an equidigital number, since it uses as much as digits as its factorization.

1245131250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6078 (or 6058 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1245131250 is about 35286.4173585248. The cubic root of 1245131250 is about 1075.8169380578.

Adding to 1245131250 its reverse (521315421), we get a palindrome (1766446671).

The spelling of 1245131250 in words is "one billion, two hundred forty-five million, one hundred thirty-one thousand, two hundred fifty".