1213864130 has 8 divisors (see below), whose sum is σ = 2184955452. Its totient is φ = 485545648.

The previous prime is 1213864109. The next prime is 1213864181. The reversal of 1213864130 is 314683121.

It can be written as a sum of positive squares in 2 ways, for example, as 1210135369 + 3728761 = 34787^2 + 1931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1213864130² = 2946932252201313800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213864093 and 1213864102.

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 3 ways as a sum of consecutive naturals, for example, 60693197 + ... + 60693216.

Almost surely, 2^1213864130 is an apocalyptic number.

1213864130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213864130 is a deficient number, since it is larger than the sum of its proper divisors (971091322).

1213864130 is a wasteful number, since it uses less digits than its factorization.

1213864130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121386420.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1213864130 is about 34840.5529519840. The cubic root of 1213864130 is about 1066.7353635226.

The spelling of 1213864130 in words is "one billion, two hundred thirteen million, eight hundred sixty-four thousand, one hundred thirty".