1255412000 has 48 divisors (see below), whose sum is σ = 3084557112. Its totient is φ = 502163200.

The previous prime is 1255411987. The next prime is 1255412021. The reversal of 1255412000 is 2145521.

It can be written as a sum of positive squares in 4 ways, for example, as 69022864 + 1186389136 = 8308^2 + 34444^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152927 + ... + 160926.

Almost surely, 2^1255412000 is an apocalyptic number.

1255412000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255412000 is an abundant number, since it is smaller than the sum of its proper divisors (1829145112).

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

1255412000 is an equidigital number, since it uses as much as digits as its factorization.

1255412000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313878 (or 313860 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1255412000 is about 35431.7936322733. The cubic root of 1255412000 is about 1078.7697468129.

Adding to 1255412000 its reverse (2145521), we get a palindrome (1257557521).

The spelling of 1255412000 in words is "one billion, two hundred fifty-five million, four hundred twelve thousand".