1265226748 has 6 divisors (see below), whose sum is σ = 2214146816. Its totient is φ = 632613372.

The previous prime is 1265226737. The next prime is 1265226763. The reversal of 1265226748 is 8476225621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158153340 + ... + 158153347.

Almost surely, 2^1265226748 is an apocalyptic number.

It is an amenable number.

1265226748 is a deficient number, since it is larger than the sum of its proper divisors (948920068).

1265226748 is a wasteful number, since it uses less digits than its factorization.

1265226748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316306691 (or 316306689 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 1265226748 is about 35570.0259769374. The cubic root of 1265226748 is about 1081.5737082920.

The spelling of 1265226748 in words is "one billion, two hundred sixty-five million, two hundred twenty-six thousand, seven hundred forty-eight".