101340421 has 16 divisors (see below), whose sum is σ = 125693568. Its totient is φ = 79560000.

The previous prime is 101340403. The next prime is 101340439. The reversal of 101340421 is 124043101.

It is an interprime number because it is at equal distance from previous prime (101340403) and next prime (101340439).

It is not a de Polignac number, because 101340421 - 2⁵ = 101340389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101340395 and 101340404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101340821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7671 + ... + 16171.

It is an arithmetic number, because the mean of its divisors is an integer number (7855848).

Almost surely, 2^101340421 is an apocalyptic number.

It is an amenable number.

101340421 is a deficient number, since it is larger than the sum of its proper divisors (24353147).

101340421 is a wasteful number, since it uses less digits than its factorization.

101340421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8652.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 101340421 is about 10066.7979516826. The cubic root of 101340421 is about 466.2235798315.

Adding to 101340421 its reverse (124043101), we get a palindrome (225383522).

It can be divided in two parts, 101340 and 421, that added together give a square (101761 = 319²).

The spelling of 101340421 in words is "one hundred one million, three hundred forty thousand, four hundred twenty-one".