1205270250 has 64 divisors (see below), whose sum is σ = 3185350272. Its totient is φ = 302496000.

The previous prime is 1205270207. The next prime is 1205270279. The reversal of 1205270250 is 520725021.

It is a self number, because there is not a number n which added to its sum of digits gives 1205270250.

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, 34516 + ... + 60015.

It is an arithmetic number, because the mean of its divisors is an integer number (49771098).

Almost surely, 2^1205270250 is an apocalyptic number.

1205270250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1205270250 is an abundant number, since it is smaller than the sum of its proper divisors (1980080022).

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

1205270250 is a wasteful number, since it uses less digits than its factorization.

1205270250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94568 (or 94558 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 1205270250 is about 34717.0023187487. The cubic root of 1205270250 is about 1064.2119851289.

Adding to 1205270250 its reverse (520725021), we get a palindrome (1725995271).

The spelling of 1205270250 in words is "one billion, two hundred five million, two hundred seventy thousand, two hundred fifty".