101090047 has 2 divisors, whose sum is σ = 101090048. Its totient is φ = 101090046.

The previous prime is 101090021. The next prime is 101090053. The reversal of 101090047 is 740090101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101090047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102090047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50545023 + 50545024.

It is an arithmetic number, because the mean of its divisors is an integer number (50545024).

Almost surely, 2^101090047 is an apocalyptic number.

101090047 is a deficient number, since it is larger than the sum of its proper divisors (1).

101090047 is an equidigital number, since it uses as much as digits as its factorization.

101090047 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 101090047 is about 10054.3546287169. The cubic root of 101090047 is about 465.8393089231.

The spelling of 101090047 in words is "one hundred one million, ninety thousand, forty-seven".