1265427448 has 16 divisors (see below), whose sum is σ = 2373896880. Its totient is φ = 632388288.

The previous prime is 1265427437. The next prime is 1265427461. The reversal of 1265427448 is 8447245621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23740 + ... + 55627.

It is an arithmetic number, because the mean of its divisors is an integer number (148368555).

Almost surely, 2^1265427448 is an apocalyptic number.

It is an amenable number.

1265427448 is a deficient number, since it is larger than the sum of its proper divisors (1108469432).

1265427448 is a wasteful number, since it uses less digits than its factorization.

1265427448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81366 (or 81362 counting only the distinct ones).

The product of its digits is 430080, while the sum is 43.

The square root of 1265427448 is about 35572.8470606444. The cubic root of 1265427448 is about 1081.6308944490.

The spelling of 1265427448 in words is "one billion, two hundred sixty-five million, four hundred twenty-seven thousand, four hundred forty-eight".