1255031245 has 8 divisors (see below), whose sum is σ = 1621886616. Its totient is φ = 926792256.

The previous prime is 1255031243. The next prime is 1255031269. The reversal of 1255031245 is 5421305521.

It can be written as a sum of positive squares in 4 ways, for example, as 14160169 + 1240871076 = 3763^2 + 35226^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1255031245 - 2¹ = 1255031243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255031243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9654022 + ... + 9654151.

It is an arithmetic number, because the mean of its divisors is an integer number (202735827).

Almost surely, 2^1255031245 is an apocalyptic number.

It is an amenable number.

1255031245 is a deficient number, since it is larger than the sum of its proper divisors (366855371).

1255031245 is a wasteful number, since it uses less digits than its factorization.

1255031245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19308191.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1255031245 is about 35426.4201550199. The cubic root of 1255031245 is about 1078.6606754464.

Adding to 1255031245 its reverse (5421305521), we get a palindrome (6676336766).

The spelling of 1255031245 in words is "one billion, two hundred fifty-five million, thirty-one thousand, two hundred forty-five".