1260380770 has 96 divisors (see below), whose sum is σ = 2664426240. Its totient is φ = 427680000.

The previous prime is 1260380761. The next prime is 1260380809. The reversal of 1260380770 is 770830621.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1677895 + ... + 1678645.

It is an arithmetic number, because the mean of its divisors is an integer number (27754440).

Almost surely, 2^1260380770 is an apocalyptic number.

1260380770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1260380770 is an abundant number, since it is smaller than the sum of its proper divisors (1404045470).

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

1260380770 is a wasteful number, since it uses less digits than its factorization.

1260380770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 861 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 1260380770 is about 35501.8417832089. The cubic root of 1260380770 is about 1080.1910870161.

The spelling of 1260380770 in words is "one billion, two hundred sixty million, three hundred eighty thousand, seven hundred seventy".