101240838 has 24 divisors (see below), whose sum is σ = 219644568. Its totient is φ = 33702432.

The previous prime is 101240837. The next prime is 101240851. The reversal of 101240838 is 838042101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101240833) 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, 12145 + ... + 18707.

It is an arithmetic number, because the mean of its divisors is an integer number (9151857).

Almost surely, 2^101240838 is an apocalyptic number.

101240838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

101240838 is an abundant number, since it is smaller than the sum of its proper divisors (118403730).

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

101240838 is a wasteful number, since it uses less digits than its factorization.

101240838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7428 (or 7425 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 101240838 is about 10061.8506250093. The cubic root of 101240838 is about 466.0708169682.

Adding to 101240838 its reverse (838042101), we get a palindrome (939282939).

The spelling of 101240838 in words is "one hundred one million, two hundred forty thousand, eight hundred thirty-eight".