101942399 has 8 divisors (see below), whose sum is σ = 109863600. Its totient is φ = 94032576.

The previous prime is 101942381. The next prime is 101942413. The reversal of 101942399 is 993249101.

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 101942399 - 2⁸ = 101942143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101942339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29252 + ... + 32550.

It is an arithmetic number, because the mean of its divisors is an integer number (13732950).

Almost surely, 2^101942399 is an apocalyptic number.

101942399 is a deficient number, since it is larger than the sum of its proper divisors (7921201).

101942399 is a wasteful number, since it uses less digits than its factorization.

101942399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5689.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 101942399 is about 10096.6528612209. The cubic root of 101942399 is about 467.1449050304.

The spelling of 101942399 in words is "one hundred one million, nine hundred forty-two thousand, three hundred ninety-nine".