1260550072 has 8 divisors (see below), whose sum is σ = 2363531400. Its totient is φ = 630275032.

The previous prime is 1260550037. The next prime is 1260550073. The reversal of 1260550072 is 2700550621.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1260550072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260550073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78784372 + ... + 78784387.

It is an arithmetic number, because the mean of its divisors is an integer number (295441425).

Almost surely, 2^1260550072 is an apocalyptic number.

It is an amenable number.

1260550072 is a deficient number, since it is larger than the sum of its proper divisors (1102981328).

1260550072 is a wasteful number, since it uses less digits than its factorization.

1260550072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157568765 (or 157568761 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1260550072 is about 35504.2261146473. The cubic root of 1260550072 is about 1080.2394507932.

The spelling of 1260550072 in words is "one billion, two hundred sixty million, five hundred fifty thousand, seventy-two".