101136123 has 12 divisors (see below), whose sum is σ = 159366168. Its totient is φ = 61294560.

The previous prime is 101136097. The next prime is 101136127. The reversal of 101136123 is 321631101.

It is not a de Polignac number, because 101136123 - 2¹³ = 101127931 is a prime.

It is a super-2 number, since 2×101136123² = 20457030750942258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101136096 and 101136105.

It is not an unprimeable number, because it can be changed into a prime (101136127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 510690 + ... + 510887.

It is an arithmetic number, because the mean of its divisors is an integer number (13280514).

Almost surely, 2^101136123 is an apocalyptic number.

101136123 is a deficient number, since it is larger than the sum of its proper divisors (58230045).

101136123 is a wasteful number, since it uses less digits than its factorization.

101136123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021594 (or 1021591 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 101136123 is about 10056.6457131590. The cubic root of 101136123 is about 465.9100733964.

Adding to 101136123 its reverse (321631101), we get a palindrome (422767224).

The spelling of 101136123 in words is "one hundred one million, one hundred thirty-six thousand, one hundred twenty-three".