1295755772 has 24 divisors (see below), whose sum is σ = 2281910400. Its totient is φ = 643792896.

The previous prime is 1295755733. The next prime is 1295755777. The reversal of 1295755772 is 2775575921.

It is a self number, because there is not a number n which added to its sum of digits gives 1295755772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1295755777) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 685004 + ... + 686892.

It is an arithmetic number, because the mean of its divisors is an integer number (95079600).

Almost surely, 2^1295755772 is an apocalyptic number.

It is an amenable number.

1295755772 is a deficient number, since it is larger than the sum of its proper divisors (986154628).

1295755772 is a wasteful number, since it uses less digits than its factorization.

1295755772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885 (or 2883 counting only the distinct ones).

The product of its digits is 1543500, while the sum is 50.

The square root of 1295755772 is about 35996.6077846233. The cubic root of 1295755772 is about 1090.2038650190.

The spelling of 1295755772 in words is "one billion, two hundred ninety-five million, seven hundred fifty-five thousand, seven hundred seventy-two".