1213360156 has 12 divisors (see below), whose sum is σ = 2152468192. Its totient is φ = 598369248.

The previous prime is 1213360123. The next prime is 1213360163. The reversal of 1213360156 is 6510633121.

It is a zygodrome in base 5.

It is a congruent number.

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, 2077380 + ... + 2077963.

Almost surely, 2^1213360156 is an apocalyptic number.

It is an amenable number.

1213360156 is a deficient number, since it is larger than the sum of its proper divisors (939108036).

1213360156 is a wasteful number, since it uses less digits than its factorization.

1213360156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155420 (or 4155418 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1213360156 is about 34833.3196236018. The cubic root of 1213360156 is about 1066.5877134704.

Adding to 1213360156 its reverse (6510633121), we get a palindrome (7723993277).

The spelling of 1213360156 in words is "one billion, two hundred thirteen million, three hundred sixty thousand, one hundred fifty-six".