1111201079 has 2 divisors, whose sum is σ = 1111201080. Its totient is φ = 1111201078.

The previous prime is 1111201067. The next prime is 1111201087. The reversal of 1111201079 is 9701021111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111201079 - 2²⁰ = 1110152503 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111201009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555600539 + 555600540.

It is an arithmetic number, because the mean of its divisors is an integer number (555600540).

Almost surely, 2^1111201079 is an apocalyptic number.

1111201079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111201079 is an equidigital number, since it uses as much as digits as its factorization.

1111201079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 23.

The square root of 1111201079 is about 33334.6828243498. The cubic root of 1111201079 is about 1035.7721230117.

The spelling of 1111201079 in words is "one billion, one hundred eleven million, two hundred one thousand, seventy-nine".