1260211386 has 64 divisors (see below), whose sum is σ = 2919241728. Its totient is φ = 355243968.

The previous prime is 1260211339. The next prime is 1260211409. The reversal of 1260211386 is 6831120621.

1260211386 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2262220 + ... + 2262776.

It is an arithmetic number, because the mean of its divisors is an integer number (45613152).

Almost surely, 2^1260211386 is an apocalyptic number.

1260211386 is an abundant number, since it is smaller than the sum of its proper divisors (1659030342).

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

1260211386 is a wasteful number, since it uses less digits than its factorization.

1260211386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1260211386 is about 35499.4561366791. The cubic root of 1260211386 is about 1080.1426954802.

The spelling of 1260211386 in words is "one billion, two hundred sixty million, two hundred eleven thousand, three hundred eighty-six".