101424521 has 8 divisors (see below), whose sum is σ = 112161504. Its totient is φ = 90940320.

The previous prime is 101424509. The next prime is 101424539. The reversal of 101424521 is 125424101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101424521 - 2¹⁴ = 101408137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101424493 and 101424502.

It is not an unprimeable number, because it can be changed into a prime (101424541) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 62351 + ... + 63956.

It is an arithmetic number, because the mean of its divisors is an integer number (14020188).

Almost surely, 2^101424521 is an apocalyptic number.

101424521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101424521 is a deficient number, since it is larger than the sum of its proper divisors (10736983).

101424521 is a wasteful number, since it uses less digits than its factorization.

101424521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126391.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 101424521 is about 10070.9741832655. The cubic root of 101424521 is about 466.3525134507.

Adding to 101424521 its reverse (125424101), we get a palindrome (226848622).

The spelling of 101424521 in words is "one hundred one million, four hundred twenty-four thousand, five hundred twenty-one".