1271049025 has 6 divisors (see below), whose sum is σ = 1576100822. Its totient is φ = 1016839200.

The previous prime is 1271049001. The next prime is 1271049053. The reversal of 1271049025 is 5209401721.

1271049025 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1979649 + 1269069376 = 1407^2 + 35624^2 .

It is not a de Polignac number, because 1271049025 - 2⁷ = 1271048897 is a prime.

It is a super-3 number, since 3×1271049025³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25420956 + ... + 25421005.

Almost surely, 2^1271049025 is an apocalyptic number.

It is an amenable number.

1271049025 is a deficient number, since it is larger than the sum of its proper divisors (305051797).

1271049025 is an equidigital number, since it uses as much as digits as its factorization.

1271049025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50841971 (or 50841966 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1271049025 is about 35651.7745000161. The cubic root of 1271049025 is about 1083.2302195085.

The spelling of 1271049025 in words is "one billion, two hundred seventy-one million, forty-nine thousand, twenty-five".