1265051332 has 24 divisors (see below), whose sum is σ = 2279894400. Its totient is φ = 613924896.

The previous prime is 1265051323. The next prime is 1265051341. The reversal of 1265051332 is 2331505621.

It is an interprime number because it is at equal distance from previous prime (1265051323) and next prime (1265051341).

It is a self number, because there is not a number n which added to its sum of digits gives 1265051332.

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, 15283 + ... + 52570.

It is an arithmetic number, because the mean of its divisors is an integer number (94995600).

Almost surely, 2^1265051332 is an apocalyptic number.

It is an amenable number.

1265051332 is a deficient number, since it is larger than the sum of its proper divisors (1014843068).

1265051332 is a wasteful number, since it uses less digits than its factorization.

1265051332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67995 (or 67993 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 1265051332 is about 35567.5601074912. The cubic root of 1265051332 is about 1081.5237214411.

Adding to 1265051332 its reverse (2331505621), we get a palindrome (3596556953).

The spelling of 1265051332 in words is "one billion, two hundred sixty-five million, fifty-one thousand, three hundred thirty-two".