100285427 has 8 divisors (see below), whose sum is σ = 111257280. Its totient is φ = 89622760.

The previous prime is 100285391. The next prime is 100285433. The reversal of 100285427 is 724582001.

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 100285427 - 2¹⁸ = 100023283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100285427.

It is not an unprimeable number, because it can be changed into a prime (100285457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76613 + ... + 77910.

It is an arithmetic number, because the mean of its divisors is an integer number (13907160).

Almost surely, 2^100285427 is an apocalyptic number.

100285427 is a deficient number, since it is larger than the sum of its proper divisors (10971853).

100285427 is a wasteful number, since it uses less digits than its factorization.

100285427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154593.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 100285427 is about 10014.2611809359. The cubic root of 100285427 is about 464.6000754587.

The spelling of 100285427 in words is "one hundred million, two hundred eighty-five thousand, four hundred twenty-seven".