1111012249 has 2 divisors, whose sum is σ = 1111012250. Its totient is φ = 1111012248.

The previous prime is 1111012163. The next prime is 1111012261. The reversal of 1111012249 is 9422101111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1005333849 + 105678400 = 31707^2 + 10280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111012249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111015249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555506124 + 555506125.

It is an arithmetic number, because the mean of its divisors is an integer number (555506125).

Almost surely, 2^1111012249 is an apocalyptic number.

It is an amenable number.

1111012249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111012249 is an equidigital number, since it uses as much as digits as its factorization.

1111012249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 1111012249 is about 33331.8503686789. The cubic root of 1111012249 is about 1035.7134489836.

The spelling of 1111012249 in words is "one billion, one hundred eleven million, twelve thousand, two hundred forty-nine".