1201205250 has 192 divisors, whose sum is σ = 3784734720. Its totient is φ = 269193600.

The previous prime is 1201205209. The next prime is 1201205263. The reversal of 1201205250 is 525021021.

1201205250 is a `hidden beast` number, since 1 + 20 + 120 + 525 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 834031 + ... + 835469.

It is an arithmetic number, because the mean of its divisors is an integer number (19712160).

Almost surely, 2^1201205250 is an apocalyptic number.

1201205250 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 1201205250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1892367360).

1201205250 is an abundant number, since it is smaller than the sum of its proper divisors (2583529470).

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

1201205250 is a wasteful number, since it uses less digits than its factorization.

1201205250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522 (or 1509 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1201205250 is about 34658.4080707698. The cubic root of 1201205250 is about 1063.0142193739.

Adding to 1201205250 its reverse (525021021), we get a palindrome (1726226271).

The spelling of 1201205250 in words is "one billion, two hundred one million, two hundred five thousand, two hundred fifty".