1265484008 has 8 divisors (see below), whose sum is σ = 2372782530. Its totient is φ = 632742000.

The previous prime is 1265483993. The next prime is 1265484013. The reversal of 1265484008 is 8004845621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 838565764 + 426918244 = 28958^2 + 20662^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79092743 + ... + 79092758.

Almost surely, 2^1265484008 is an apocalyptic number.

It is an amenable number.

1265484008 is a deficient number, since it is larger than the sum of its proper divisors (1107298522).

1265484008 is a wasteful number, since it uses less digits than its factorization.

1265484008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158185507 (or 158185503 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 1265484008 is about 35573.6420401398. The cubic root of 1265484008 is about 1081.6470091967.

The spelling of 1265484008 in words is "one billion, two hundred sixty-five million, four hundred eighty-four thousand, eight".