1265598796 has 48 divisors (see below), whose sum is σ = 2923748352. Its totient is φ = 464083200.

The previous prime is 1265598787. The next prime is 1265598827. The reversal of 1265598796 is 6978955621.

It is a self number, because there is not a number n which added to its sum of digits gives 1265598796.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115620 + ... + 126091.

It is an arithmetic number, because the mean of its divisors is an integer number (60911424).

Almost surely, 2^1265598796 is an apocalyptic number.

It is an amenable number.

1265598796 is an abundant number, since it is smaller than the sum of its proper divisors (1658149556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1265598796 is a wasteful number, since it uses less digits than its factorization.

1265598796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241750 (or 241748 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 58.

The square root of 1265598796 is about 35575.2553891044. The cubic root of 1265598796 is about 1081.6797124528.

The spelling of 1265598796 in words is "one billion, two hundred sixty-five million, five hundred ninety-eight thousand, seven hundred ninety-six".