1134905047 has 2 divisors, whose sum is σ = 1134905048. Its totient is φ = 1134905046.

The previous prime is 1134905029. The next prime is 1134905069. The reversal of 1134905047 is 7405094311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1134905047 - 2²³ = 1126516439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1134905087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567452523 + 567452524.

It is an arithmetic number, because the mean of its divisors is an integer number (567452524).

Almost surely, 2^1134905047 is an apocalyptic number.

1134905047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1134905047 is an equidigital number, since it uses as much as digits as its factorization.

1134905047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1134905047 is about 33688.3517999916. The cubic root of 1134905047 is about 1043.0853418719.

Adding to 1134905047 its reverse (7405094311), we get a palindrome (8539999358).

The spelling of 1134905047 in words is "one billion, one hundred thirty-four million, nine hundred five thousand, forty-seven".