1271465125 has 64 divisors (see below), whose sum is σ = 1900454400. Its totient is φ = 830860800.

The previous prime is 1271465119. The next prime is 1271465141. The reversal of 1271465125 is 5215641721.

It is not a de Polignac number, because 1271465125 - 2²¹ = 1269367973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2258094 + ... + 2258656.

It is an arithmetic number, because the mean of its divisors is an integer number (29694600).

Almost surely, 2^1271465125 is an apocalyptic number.

It is an amenable number.

1271465125 is a deficient number, since it is larger than the sum of its proper divisors (628989275).

1271465125 is an equidigital number, since it uses as much as digits as its factorization.

1271465125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 693 counting only the distinct ones).

The product of its digits is 16800, while the sum is 34.

The square root of 1271465125 is about 35657.6096366540. The cubic root of 1271465125 is about 1083.3484113615.

The spelling of 1271465125 in words is "one billion, two hundred seventy-one million, four hundred sixty-five thousand, one hundred twenty-five".