1214252250 has 64 divisors (see below), whose sum is σ = 3045534336. Its totient is φ = 322224000.

The previous prime is 1214252213. The next prime is 1214252267. The reversal of 1214252250 is 522524121.

It is a self number, because there is not a number n which added to its sum of digits gives 1214252250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154414 + ... + 162086.

It is an arithmetic number, because the mean of its divisors is an integer number (47586474).

Almost surely, 2^1214252250 is an apocalyptic number.

1214252250 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 1214252250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1522767168).

1214252250 is an abundant number, since it is smaller than the sum of its proper divisors (1831282086).

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

1214252250 is a wasteful number, since it uses less digits than its factorization.

1214252250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7904 (or 7894 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1214252250 is about 34846.1224528641. The cubic root of 1214252250 is about 1066.8490437939.

Adding to 1214252250 its reverse (522524121), we get a palindrome (1736776371).

The spelling of 1214252250 in words is "one billion, two hundred fourteen million, two hundred fifty-two thousand, two hundred fifty".