101123938 has 4 divisors (see below), whose sum is σ = 151685910. Its totient is φ = 50561968.

The previous prime is 101123933. The next prime is 101123941. The reversal of 101123938 is 839321101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 839321101 = 521 ⋅1610981.

It can be written as a sum of positive squares in only one way, i.e., 58782889 + 42341049 = 7667^2 + 6507^2 .

It is not an unprimeable number, because it can be changed into a prime (101123933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25280983 + ... + 25280986.

Almost surely, 2^101123938 is an apocalyptic number.

101123938 is a deficient number, since it is larger than the sum of its proper divisors (50561972).

101123938 is an equidigital number, since it uses as much as digits as its factorization.

101123938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50561971.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 101123938 is about 10056.0398766115. The cubic root of 101123938 is about 465.8913615122.

The spelling of 101123938 in words is "one hundred one million, one hundred twenty-three thousand, nine hundred thirty-eight".