101724427 has 4 divisors (see below), whose sum is σ = 116256496. Its totient is φ = 87192360.

The previous prime is 101724421. The next prime is 101724439. The reversal of 101724427 is 724427101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724427101 = 761 ⋅951941.

It is a cyclic number.

It is not a de Polignac number, because 101724427 - 2¹⁹ = 101200139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101724395 and 101724404.

It is not an unprimeable number, because it can be changed into a prime (101724421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7266024 + ... + 7266037.

It is an arithmetic number, because the mean of its divisors is an integer number (29064124).

Almost surely, 2^101724427 is an apocalyptic number.

101724427 is a deficient number, since it is larger than the sum of its proper divisors (14532069).

101724427 is an equidigital number, since it uses as much as digits as its factorization.

101724427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14532068.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 101724427 is about 10085.8528147103. The cubic root of 101724427 is about 466.8117195914.

The spelling of 101724427 in words is "one hundred one million, seven hundred twenty-four thousand, four hundred twenty-seven".