1147203047 has 2 divisors, whose sum is σ = 1147203048. Its totient is φ = 1147203046.

The previous prime is 1147203041. The next prime is 1147203049. The reversal of 1147203047 is 7403027411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1147203047 - 2⁶ = 1147202983 is a prime.

It is a super-4 number, since 4×1147203047⁴ (a number of 37 digits) contains 4444 as substring.

Together with 1147203049, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1147203041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573601523 + 573601524.

It is an arithmetic number, because the mean of its divisors is an integer number (573601524).

Almost surely, 2^1147203047 is an apocalyptic number.

1147203047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147203047 is an equidigital number, since it uses as much as digits as its factorization.

1147203047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 1147203047 is about 33870.3859883527. The cubic root of 1147203047 is about 1046.8394901828.

The spelling of 1147203047 in words is "one billion, one hundred forty-seven million, two hundred three thousand, forty-seven".