1260648768 has 56 divisors (see below), whose sum is σ = 3480499008. Its totient is φ = 401944576.

The previous prime is 1260648761. The next prime is 1260648773. The reversal of 1260648768 is 8678460621.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260648761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138321 + ... + 147152.

It is an arithmetic number, because the mean of its divisors is an integer number (62151768).

Almost surely, 2^1260648768 is an apocalyptic number.

It is an amenable number.

1260648768 is an abundant number, since it is smaller than the sum of its proper divisors (2219850240).

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

1260648768 is a wasteful number, since it uses less digits than its factorization.

1260648768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285511 (or 285501 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 1260648768 is about 35505.6160064855. The cubic root of 1260648768 is about 1080.2676428586.

The spelling of 1260648768 in words is "one billion, two hundred sixty million, six hundred forty-eight thousand, seven hundred sixty-eight".