101424405 has 16 divisors (see below), whose sum is σ = 167514624. Its totient is φ = 52347840.

The previous prime is 101424383. The next prime is 101424419. The reversal of 101424405 is 504424101.

It is a happy number.

It is not a de Polignac number, because 101424405 - 2⁶ = 101424341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108594 + ... + 109523.

It is an arithmetic number, because the mean of its divisors is an integer number (10469664).

Almost surely, 2^101424405 is an apocalyptic number.

101424405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101424405 is a deficient number, since it is larger than the sum of its proper divisors (66090219).

101424405 is a wasteful number, since it uses less digits than its factorization.

101424405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218156.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 101424405 is about 10070.9684241388. The cubic root of 101424405 is about 466.3523356603.

Adding to 101424405 its reverse (504424101), we get a palindrome (605848506).

The spelling of 101424405 in words is "one hundred one million, four hundred twenty-four thousand, four hundred five".