1255211024 has 10 divisors (see below), whose sum is σ = 2431971390. Its totient is φ = 627605504.

The previous prime is 1255211011. The next prime is 1255211053. The reversal of 1255211024 is 4201125521.

It can be written as a sum of positive squares in only one way, i.e., 1131111424 + 124099600 = 33632^2 + 11140^2 .

It is a super-2 number, since 2×1255211024² = 3151109429542257152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39225329 + ... + 39225360.

It is an arithmetic number, because the mean of its divisors is an integer number (243197139).

Almost surely, 2^1255211024 is an apocalyptic number.

It is an amenable number.

1255211024 is a deficient number, since it is larger than the sum of its proper divisors (1176760366).

1255211024 is an equidigital number, since it uses as much as digits as its factorization.

1255211024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78450697 (or 78450691 counting only the distinct ones).

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

The square root of 1255211024 is about 35428.9574218604. The cubic root of 1255211024 is about 1078.7121778239.

Adding to 1255211024 its reverse (4201125521), we get a palindrome (5456336545).

The spelling of 1255211024 in words is "one billion, two hundred fifty-five million, two hundred eleven thousand, twenty-four".