1255241064 has 128 divisors (see below), whose sum is σ = 3947719680. Its totient is φ = 323097600.

The previous prime is 1255241063. The next prime is 1255241069. The reversal of 1255241064 is 4601425521.

It is a super-3 number, since 3×1255241064³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1255241063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205819 + ... + 211829.

It is an arithmetic number, because the mean of its divisors is an integer number (30841560).

Almost surely, 2^1255241064 is an apocalyptic number.

1255241064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255241064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1973859840).

1255241064 is an abundant number, since it is smaller than the sum of its proper divisors (2692478616).

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

1255241064 is a wasteful number, since it uses less digits than its factorization.

1255241064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6151 (or 6147 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1255241064 is about 35429.3813663180. The cubic root of 1255241064 is about 1078.7207830849.

Adding to 1255241064 its reverse (4601425521), we get a palindrome (5856666585).

The spelling of 1255241064 in words is "one billion, two hundred fifty-five million, two hundred forty-one thousand, sixty-four".