1205251150 has 48 divisors (see below), whose sum is σ = 2273269680. Its totient is φ = 475372800.

The previous prime is 1205251133. The next prime is 1205251207. The reversal of 1205251150 is 511525021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1531057 + ... + 1531843.

It is an arithmetic number, because the mean of its divisors is an integer number (47359785).

Almost surely, 2^1205251150 is an apocalyptic number.

1205251150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1205251150 is a deficient number, since it is larger than the sum of its proper divisors (1068018530).

1205251150 is a wasteful number, since it uses less digits than its factorization.

1205251150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189 (or 1184 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 1205251150 is about 34716.7272363050. The cubic root of 1205251150 is about 1064.2063635525.

Adding to 1205251150 its reverse (511525021), we get a palindrome (1716776171).

The spelling of 1205251150 in words is "one billion, two hundred five million, two hundred fifty-one thousand, one hundred fifty".