1210860260 has 24 divisors (see below), whose sum is σ = 2590786296. Its totient is φ = 475205120.

The previous prime is 1210860251. The next prime is 1210860283. The reversal of 1210860260 is 620680121.

It can be written as a sum of positive squares in 4 ways, for example, as 5798464 + 1205061796 = 2408^2 + 34714^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570101 + ... + 572220.

It is an arithmetic number, because the mean of its divisors is an integer number (107949429).

Almost surely, 2^1210860260 is an apocalyptic number.

1210860260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210860260 is an abundant number, since it is smaller than the sum of its proper divisors (1379926036).

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

1210860260 is a wasteful number, since it uses less digits than its factorization.

1210860260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142383 (or 1142381 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1210860260 is about 34797.4174329073. The cubic root of 1210860260 is about 1065.8547099958.

The spelling of 1210860260 in words is "one billion, two hundred ten million, eight hundred sixty thousand, two hundred sixty".