1223075250 has 96 divisors (see below), whose sum is σ = 3322813104. Its totient is φ = 324614400.

The previous prime is 1223075237. The next prime is 1223075281. The reversal of 1223075250 is 525703221.

It can be written as a sum of positive squares in 8 ways, for example, as 4297329 + 1218777921 = 2073^2 + 34911^2 .

It is a Curzon number.

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, 523084 + ... + 525416.

Almost surely, 2^1223075250 is an apocalyptic number.

1223075250 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 1223075250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1661406552).

1223075250 is an abundant number, since it is smaller than the sum of its proper divisors (2099737854).

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

1223075250 is a wasteful number, since it uses less digits than its factorization.

1223075250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589 (or 2576 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 1223075250 is about 34972.4927621695. The cubic root of 1223075250 is about 1069.4267899611.

Adding to 1223075250 its reverse (525703221), we get a palindrome (1748778471).

The spelling of 1223075250 in words is "one billion, two hundred twenty-three million, seventy-five thousand, two hundred fifty".