1255124012 has 6 divisors (see below), whose sum is σ = 2196467028. Its totient is φ = 627562004.

The previous prime is 1255124011. The next prime is 1255124023. The reversal of 1255124012 is 2104215521.

It is a super-2 number, since 2×1255124012² = 3150672570997952288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1255124011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156890498 + ... + 156890505.

It is an arithmetic number, because the mean of its divisors is an integer number (366077838).

Almost surely, 2^1255124012 is an apocalyptic number.

It is an amenable number.

1255124012 is a deficient number, since it is larger than the sum of its proper divisors (941343016).

1255124012 is a wasteful number, since it uses less digits than its factorization.

1255124012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313781007 (or 313781005 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1255124012 is about 35427.7294220220. The cubic root of 1255124012 is about 1078.6872515841.

Adding to 1255124012 its reverse (2104215521), we get a palindrome (3359339533).

It can be divided in two parts, 12551 and 24012, that added together give a palindrome (36563).

The spelling of 1255124012 in words is "one billion, two hundred fifty-five million, one hundred twenty-four thousand, twelve".