1121319047 has 2 divisors, whose sum is σ = 1121319048. Its totient is φ = 1121319046.

The previous prime is 1121319037. The next prime is 1121319053. The reversal of 1121319047 is 7409131211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121319047 - 2²⁴ = 1104541831 is a prime.

It is a pancake number, because a pancake can be divided into 1121319047 parts by 47356 straight cuts.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121319037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560659523 + 560659524.

It is an arithmetic number, because the mean of its divisors is an integer number (560659524).

Almost surely, 2^1121319047 is an apocalyptic number.

1121319047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121319047 is an equidigital number, since it uses as much as digits as its factorization.

1121319047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1121319047 is about 33486.1022963259. The cubic root of 1121319047 is about 1038.9063475567.

The spelling of 1121319047 in words is "one billion, one hundred twenty-one million, three hundred nineteen thousand, forty-seven".