1255066200 has 72 divisors (see below), whose sum is σ = 4214936700. Its totient is φ = 334683840.

The previous prime is 1255066193. The next prime is 1255066201. The reversal of 1255066200 is 26605521.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255066201) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 346830 + ... + 350429.

Almost surely, 2^1255066200 is an apocalyptic number.

1255066200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255066200 is an abundant number, since it is smaller than the sum of its proper divisors (2959870500).

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

1255066200 is a wasteful number, since it uses less digits than its factorization.

1255066200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697281 (or 697269 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1255066200 is about 35426.9134980737. The cubic root of 1255066200 is about 1078.6706896018.

The spelling of 1255066200 in words is "one billion, two hundred fifty-five million, sixty-six thousand, two hundred".