101129207 has 2 divisors, whose sum is σ = 101129208. Its totient is φ = 101129206.

The previous prime is 101129173. The next prime is 101129221. The reversal of 101129207 is 702921101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101129207 - 2¹² = 101125111 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 (101129257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50564603 + 50564604.

It is an arithmetic number, because the mean of its divisors is an integer number (50564604).

Almost surely, 2^101129207 is an apocalyptic number.

101129207 is a deficient number, since it is larger than the sum of its proper divisors (1).

101129207 is an equidigital number, since it uses as much as digits as its factorization.

101129207 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 23.

The square root of 101129207 is about 10056.3018550559. The cubic root of 101129207 is about 465.8994530317.

The spelling of 101129207 in words is "one hundred one million, one hundred twenty-nine thousand, two hundred seven".