1265006672 has 10 divisors (see below), whose sum is σ = 2450950458. Its totient is φ = 632503328.

The previous prime is 1265006641. The next prime is 1265006683. The reversal of 1265006672 is 2766005621.

It can be written as a sum of positive squares in only one way, i.e., 1109156416 + 155850256 = 33304^2 + 12484^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39531443 + ... + 39531474.

Almost surely, 2^1265006672 is an apocalyptic number.

It is an amenable number.

1265006672 is a deficient number, since it is larger than the sum of its proper divisors (1185943786).

1265006672 is an equidigital number, since it uses as much as digits as its factorization.

1265006672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79062925 (or 79062919 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1265006672 is about 35566.9322826695. The cubic root of 1265006672 is about 1081.5109943112.

The spelling of 1265006672 in words is "one billion, two hundred sixty-five million, six thousand, six hundred seventy-two".