101420 has 24 divisors (see below), whose sum is σ = 232848. Its totient is φ = 36800.

The previous prime is 101419. The next prime is 101429. The reversal of 101420 is 24101.

It is a junction number, because it is equal to n+sod(n) for n = 101398 and 101407.

It is not an unprimeable number, because it can be changed into a prime (101429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11 + ... + 450.

It is an arithmetic number, because the mean of its divisors is an integer number (9702).

2¹⁰¹⁴²⁰ is an apocalyptic number.

101420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116424).

101420 is an abundant number, since it is smaller than the sum of its proper divisors (131428).

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

101420 is a wasteful number, since it uses less digits than its factorization.

101420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 101420 is about 318.4650687281. The cubic root of 101420 is about 46.6345584124.

Adding to 101420 its reverse (24101), we get a palindrome (125521).

The spelling of 101420 in words is "one hundred one thousand, four hundred twenty", and thus it is an iban number.