1275241025 has 6 divisors (see below), whose sum is σ = 1581298902. Its totient is φ = 1020192800.

The previous prime is 1275241021. The next prime is 1275241057. The reversal of 1275241025 is 5201425721.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 11296321 + 1263944704 = 3361^2 + 35552^2 .

It is not a de Polignac number, because 1275241025 - 2² = 1275241021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1275241021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25504796 + ... + 25504845.

It is an arithmetic number, because the mean of its divisors is an integer number (263549817).

Almost surely, 2^1275241025 is an apocalyptic number.

It is an amenable number.

1275241025 is a deficient number, since it is larger than the sum of its proper divisors (306057877).

1275241025 is an equidigital number, since it uses as much as digits as its factorization.

1275241025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51009651 (or 51009646 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 1275241025 is about 35710.5170082988. The cubic root of 1275241025 is about 1084.4197666354.

Adding to 1275241025 its reverse (5201425721), we get a palindrome (6476666746).

The spelling of 1275241025 in words is "one billion, two hundred seventy-five million, two hundred forty-one thousand, twenty-five".