1213051260 has 48 divisors (see below), whose sum is σ = 3416910336. Its totient is φ = 321540672.

The previous prime is 1213051207. The next prime is 1213051283. The reversal of 1213051260 is 621503121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50512 + ... + 70551.

It is an arithmetic number, because the mean of its divisors is an integer number (71185632).

Almost surely, 2^1213051260 is an apocalyptic number.

1213051260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213051260 is an abundant number, since it is smaller than the sum of its proper divisors (2203859076).

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

1213051260 is a wasteful number, since it uses less digits than its factorization.

1213051260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121242 (or 121240 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1213051260 is about 34828.8854257497. The cubic root of 1213051260 is about 1066.4971955152.

Adding to 1213051260 its reverse (621503121), we get a palindrome (1834554381).

The spelling of 1213051260 in words is "one billion, two hundred thirteen million, fifty-one thousand, two hundred sixty".