1265730334 has 16 divisors (see below), whose sum is σ = 2180206080. Its totient is φ = 545051160.

The previous prime is 1265730307. The next prime is 1265730343. The reversal of 1265730334 is 4330375621.

It is a self number, because there is not a number n which added to its sum of digits gives 1265730334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1513614 + ... + 1514449.

It is an arithmetic number, because the mean of its divisors is an integer number (136262880).

Almost surely, 2^1265730334 is an apocalyptic number.

1265730334 is a deficient number, since it is larger than the sum of its proper divisors (914475746).

1265730334 is a wasteful number, since it uses less digits than its factorization.

1265730334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028095.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 1265730334 is about 35577.1040698930. The cubic root of 1265730334 is about 1081.7171853754.

The spelling of 1265730334 in words is "one billion, two hundred sixty-five million, seven hundred thirty thousand, three hundred thirty-four".