1040112709 has 2 divisors, whose sum is σ = 1040112710. Its totient is φ = 1040112708.

The previous prime is 1040112677. The next prime is 1040112719. The reversal of 1040112709 is 9072110401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 680062084 + 360050625 = 26078^2 + 18975^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040112709 - 2⁵ = 1040112677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040112719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520056354 + 520056355.

It is an arithmetic number, because the mean of its divisors is an integer number (520056355).

Almost surely, 2^1040112709 is an apocalyptic number.

It is an amenable number.

1040112709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040112709 is an equidigital number, since it uses as much as digits as its factorization.

1040112709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 1040112709 is about 32250.7784247140. The cubic root of 1040112709 is about 1013.1960025568.

The spelling of 1040112709 in words is "one billion, forty million, one hundred twelve thousand, seven hundred nine".