1147620263 has 2 divisors, whose sum is σ = 1147620264. Its totient is φ = 1147620262.

The previous prime is 1147620223. The next prime is 1147620323. The reversal of 1147620263 is 3620267411.

It is a weak prime.

It is an emirp because it is prime and its reverse (3620267411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1147620263 - 2¹² = 1147616167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1147620223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573810131 + 573810132.

It is an arithmetic number, because the mean of its divisors is an integer number (573810132).

Almost surely, 2^1147620263 is an apocalyptic number.

1147620263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147620263 is an equidigital number, since it uses as much as digits as its factorization.

1147620263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1147620263 is about 33876.5444371175. The cubic root of 1147620263 is about 1046.9663800272.

Adding to 1147620263 its reverse (3620267411), we get a palindrome (4767887674).

The spelling of 1147620263 in words is "one billion, one hundred forty-seven million, six hundred twenty thousand, two hundred sixty-three".