10870091 has 2 divisors, whose sum is σ = 10870092. Its totient is φ = 10870090.

The previous prime is 10870073. The next prime is 10870129. The reversal of 10870091 is 19007801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10870091 - 2²² = 6675787 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10870091.

It is not a weakly prime, because it can be changed into another prime (10870031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5435045 + 5435046.

It is an arithmetic number, because the mean of its divisors is an integer number (5435046).

Almost surely, 2^10870091 is an apocalyptic number.

10870091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10870091 is an equidigital number, since it uses as much as digits as its factorization.

10870091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 10870091 is about 3296.9821048953. The cubic root of 10870091 is about 221.5190396493.

Adding to 10870091 its reverse (19007801), we get a palindrome (29877892).

The spelling of 10870091 in words is "ten million, eight hundred seventy thousand, ninety-one".