101123039 has 4 divisors (see below), whose sum is σ = 101792880. Its totient is φ = 100453200.

The previous prime is 101123027. The next prime is 101123059. The reversal of 101123039 is 930321101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930321101 = 127 ⋅7325363.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101123039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101123039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101123059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334694 + ... + 334995.

It is an arithmetic number, because the mean of its divisors is an integer number (25448220).

Almost surely, 2^101123039 is an apocalyptic number.

101123039 is a deficient number, since it is larger than the sum of its proper divisors (669841).

101123039 is an equidigital number, since it uses as much as digits as its factorization.

101123039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669840.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 101123039 is about 10055.9951770076. The cubic root of 101123039 is about 465.8899809041.

The spelling of 101123039 in words is "one hundred one million, one hundred twenty-three thousand, thirty-nine".