1004109157 has 2 divisors, whose sum is σ = 1004109158. Its totient is φ = 1004109156.

The previous prime is 1004109151. The next prime is 1004109163. The reversal of 1004109157 is 7519014001.

It is a balanced prime because it is at equal distance from previous prime (1004109151) and next prime (1004109163).

It can be written as a sum of positive squares in only one way, i.e., 985394881 + 18714276 = 31391^2 + 4326^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004109157 - 2¹¹ = 1004107109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004109151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502054578 + 502054579.

It is an arithmetic number, because the mean of its divisors is an integer number (502054579).

Almost surely, 2^1004109157 is an apocalyptic number.

It is an amenable number.

1004109157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004109157 is an equidigital number, since it uses as much as digits as its factorization.

1004109157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 1004109157 is about 31687.6814708808. The cubic root of 1004109157 is about 1001.3678471411.

The spelling of 1004109157 in words is "one billion, four million, one hundred nine thousand, one hundred fifty-seven".