101044420 has 24 divisors (see below), whose sum is σ = 213091200. Its totient is φ = 40246752.

The previous prime is 101044409. The next prime is 101044421. The reversal of 101044420 is 24440101.

It is a junction number, because it is equal to n+sod(n) for n = 101044394 and 101044403.

It is not an unprimeable number, because it can be changed into a prime (101044421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5790 + ... + 15349.

It is an arithmetic number, because the mean of its divisors is an integer number (8878800).

Almost surely, 2^101044420 is an apocalyptic number.

101044420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101044420 is an abundant number, since it is smaller than the sum of its proper divisors (112046780).

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

101044420 is a wasteful number, since it uses less digits than its factorization.

101044420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21387 (or 21385 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 101044420 is about 10052.0853557856. The cubic root of 101044420 is about 465.7692128409.

Adding to 101044420 its reverse (24440101), we get a palindrome (125484521).

The spelling of 101044420 in words is "one hundred one million, forty-four thousand, four hundred twenty".