101289407 has 2 divisors, whose sum is σ = 101289408. Its totient is φ = 101289406.

The previous prime is 101289367. The next prime is 101289421. The reversal of 101289407 is 704982101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101289407 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101289427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50644703 + 50644704.

It is an arithmetic number, because the mean of its divisors is an integer number (50644704).

Almost surely, 2^101289407 is an apocalyptic number.

101289407 is a deficient number, since it is larger than the sum of its proper divisors (1).

101289407 is an equidigital number, since it uses as much as digits as its factorization.

101289407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 101289407 is about 10064.2638578288. The cubic root of 101289407 is about 466.1453355618.

The spelling of 101289407 in words is "one hundred one million, two hundred eighty-nine thousand, four hundred seven".