101870047 has 2 divisors, whose sum is σ = 101870048. Its totient is φ = 101870046.

The previous prime is 101869997. The next prime is 101870051. The reversal of 101870047 is 740078101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101870047 - 2¹⁹ = 101345759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101869997 and 101870024.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101870057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50935023 + 50935024.

It is an arithmetic number, because the mean of its divisors is an integer number (50935024).

Almost surely, 2^101870047 is an apocalyptic number.

101870047 is a deficient number, since it is larger than the sum of its proper divisors (1).

101870047 is an equidigital number, since it uses as much as digits as its factorization.

101870047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 101870047 is about 10093.0692556823. The cubic root of 101870047 is about 467.0343626466.

The spelling of 101870047 in words is "one hundred one million, eight hundred seventy thousand, forty-seven".