1265081502 has 8 divisors (see below), whose sum is σ = 2530163016. Its totient is φ = 421693832.

The previous prime is 1265081497. The next prime is 1265081513. The reversal of 1265081502 is 2051805621.

It is a sphenic number, since it is the product of 3 distinct primes.

1265081502 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1265081502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105423453 + ... + 105423464.

It is an arithmetic number, because the mean of its divisors is an integer number (316270377).

Almost surely, 2^1265081502 is an apocalyptic number.

1265081502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1265081502 is a wasteful number, since it uses less digits than its factorization.

1265081502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210846922.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 1265081502 is about 35567.9842273919. The cubic root of 1265081502 is about 1081.5323190662.

The spelling of 1265081502 in words is "one billion, two hundred sixty-five million, eighty-one thousand, five hundred two".