101123740 has 12 divisors (see below), whose sum is σ = 212359896. Its totient is φ = 40449488.

The previous prime is 101123731. The next prime is 101123741. The reversal of 101123740 is 47321101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101123741) 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 in 3 ways as a sum of consecutive naturals, for example, 2528074 + ... + 2528113.

It is an arithmetic number, because the mean of its divisors is an integer number (17696658).

Almost surely, 2^101123740 is an apocalyptic number.

101123740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101123740 is an abundant number, since it is smaller than the sum of its proper divisors (111236156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101123740 is a wasteful number, since it uses less digits than its factorization.

101123740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056196 (or 5056194 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 101123740 is about 10056.0300317770. The cubic root of 101123740 is about 465.8910574413.

Adding to 101123740 its reverse (47321101), we get a palindrome (148444841).

The spelling of 101123740 in words is "one hundred one million, one hundred twenty-three thousand, seven hundred forty".