1009201027 has 2 divisors, whose sum is σ = 1009201028. Its totient is φ = 1009201026.

The previous prime is 1009200977. The next prime is 1009201043. The reversal of 1009201027 is 7201029001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1009201027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1009200989 and 1009201007.

It is not a weakly prime, because it can be changed into another prime (1009201057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504600513 + 504600514.

It is an arithmetic number, because the mean of its divisors is an integer number (504600514).

Almost surely, 2^1009201027 is an apocalyptic number.

1009201027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009201027 is an equidigital number, since it uses as much as digits as its factorization.

1009201027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1009201027 is about 31767.9244994066. The cubic root of 1009201027 is about 1003.0576502461.

The spelling of 1009201027 in words is "one billion, nine million, two hundred one thousand, twenty-seven".