1255041100 has 18 divisors (see below), whose sum is σ = 2723439404. Its totient is φ = 502016400.

The previous prime is 1255041083. The next prime is 1255041121. The reversal of 1255041100 is 11405521.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6275106 + ... + 6275305.

Almost surely, 2^1255041100 is an apocalyptic number.

1255041100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255041100 is an abundant number, since it is smaller than the sum of its proper divisors (1468398304).

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

1255041100 is a wasteful number, since it uses less digits than its factorization.

1255041100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12550425 (or 12550418 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1255041100 is about 35426.5592458540. The cubic root of 1255041100 is about 1078.6634987953.

Adding to 1255041100 its reverse (11405521), we get a palindrome (1266446621).

The spelling of 1255041100 in words is "one billion, two hundred fifty-five million, forty-one thousand, one hundred".