1255320452 has 24 divisors (see below), whose sum is σ = 2252994912. Its totient is φ = 611643200.

The previous prime is 1255320449. The next prime is 1255320499. The reversal of 1255320452 is 2540235521.

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, 155303 + ... + 163185.

It is an arithmetic number, because the mean of its divisors is an integer number (93874788).

Almost surely, 2^1255320452 is an apocalyptic number.

It is an amenable number.

1255320452 is a deficient number, since it is larger than the sum of its proper divisors (997674460).

1255320452 is a wasteful number, since it uses less digits than its factorization.

1255320452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8899 (or 8897 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1255320452 is about 35430.5017181524. The cubic root of 1255320452 is about 1078.7435239173.

Adding to 1255320452 its reverse (2540235521), we get a palindrome (3795555973).

The spelling of 1255320452 in words is "one billion, two hundred fifty-five million, three hundred twenty thousand, four hundred fifty-two".