1101397027 has 2 divisors, whose sum is σ = 1101397028. Its totient is φ = 1101397026.

The previous prime is 1101397009. The next prime is 1101397043. The reversal of 1101397027 is 7207931011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1101397027 - 2¹¹ = 1101394979 is a prime.

It is a super-2 number, since 2×1101397027² = 2426150822168877458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1101397027.

It is not a weakly prime, because it can be changed into another prime (1101397007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550698513 + 550698514.

It is an arithmetic number, because the mean of its divisors is an integer number (550698514).

Almost surely, 2^1101397027 is an apocalyptic number.

1101397027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101397027 is an equidigital number, since it uses as much as digits as its factorization.

1101397027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 1101397027 is about 33187.3021952674. The cubic root of 1101397027 is about 1032.7169376117.

The spelling of 1101397027 in words is "one billion, one hundred one million, three hundred ninety-seven thousand, twenty-seven".