101398027 has 2 divisors, whose sum is σ = 101398028. Its totient is φ = 101398026.

The previous prime is 101398021. The next prime is 101398057. The reversal of 101398027 is 720893101.

It is a weak prime.

It is an emirp because it is prime and its reverse (720893101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101398027 - 2¹⁵ = 101365259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101398027.

It is not a weakly prime, because it can be changed into another prime (101398021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50699013 + 50699014.

It is an arithmetic number, because the mean of its divisors is an integer number (50699014).

Almost surely, 2^101398027 is an apocalyptic number.

101398027 is a deficient number, since it is larger than the sum of its proper divisors (1).

101398027 is an equidigital number, since it uses as much as digits as its factorization.

101398027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 101398027 is about 10069.6587330455. The cubic root of 101398027 is about 466.3119032204.

The spelling of 101398027 in words is "one hundred one million, three hundred ninety-eight thousand, twenty-seven".