101231207 has 24 divisors (see below), whose sum is σ = 129103632. Its totient is φ = 78489600.

The previous prime is 101231191. The next prime is 101231227. The reversal of 101231207 is 702132101.

It is not a de Polignac number, because 101231207 - 2⁴ = 101231191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101231227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157607 + ... + 158247.

It is an arithmetic number, because the mean of its divisors is an integer number (5379318).

Almost surely, 2^101231207 is an apocalyptic number.

101231207 is a deficient number, since it is larger than the sum of its proper divisors (27872425).

101231207 is a wasteful number, since it uses less digits than its factorization.

101231207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959 (or 952 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 101231207 is about 10061.3720237351. The cubic root of 101231207 is about 466.0560374567.

Adding to 101231207 its reverse (702132101), we get a palindrome (803363308).

The spelling of 101231207 in words is "one hundred one million, two hundred thirty-one thousand, two hundred seven".