1213036147 has 2 divisors, whose sum is σ = 1213036148. Its totient is φ = 1213036146.

The previous prime is 1213036103. The next prime is 1213036177. The reversal of 1213036147 is 7416303121.

It is a strong prime.

It is an emirp because it is prime and its reverse (7416303121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1213036147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213036177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606518073 + 606518074.

It is an arithmetic number, because the mean of its divisors is an integer number (606518074).

Almost surely, 2^1213036147 is an apocalyptic number.

1213036147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213036147 is an equidigital number, since it uses as much as digits as its factorization.

1213036147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1213036147 is about 34828.6684643556. The cubic root of 1213036147 is about 1066.4927664529.

Adding to 1213036147 its reverse (7416303121), we get a palindrome (8629339268).

The spelling of 1213036147 in words is "one billion, two hundred thirteen million, thirty-six thousand, one hundred forty-seven".