1255231300 has 36 divisors (see below), whose sum is σ = 2725472260. Its totient is φ = 501793920.

The previous prime is 1255231267. The next prime is 1255231301. The reversal of 1255231300 is 31325521.

It can be written as a sum of positive squares in 6 ways, for example, as 36942084 + 1218289216 = 6078^2 + 34904^2 .

It is not an unprimeable number, because it can be changed into a prime (1255231301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253246 + ... + 258154.

Almost surely, 2^1255231300 is an apocalyptic number.

1255231300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255231300 is an abundant number, since it is smaller than the sum of its proper divisors (1470240960).

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

1255231300 is a wasteful number, since it uses less digits than its factorization.

1255231300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7480 (or 7473 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1255231300 is about 35429.2435708131. The cubic root of 1255231300 is about 1078.7179861036.

Adding to 1255231300 its reverse (31325521), we get a palindrome (1286556821).

The spelling of 1255231300 in words is "one billion, two hundred fifty-five million, two hundred thirty-one thousand, three hundred".