101399039 has 8 divisors (see below), whose sum is σ = 115996800. Its totient is φ = 86829336.

The previous prime is 101399021. The next prime is 101399059. The reversal of 101399039 is 930993101.

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 101399039 - 2⁸ = 101398783 is a prime.

It is a super-2 number, since 2×101399039² = 20563530220247042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101399059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1412 + ... + 14310.

It is an arithmetic number, because the mean of its divisors is an integer number (14499600).

Almost surely, 2^101399039 is an apocalyptic number.

101399039 is a deficient number, since it is larger than the sum of its proper divisors (14597761).

101399039 is a wasteful number, since it uses less digits than its factorization.

101399039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14029.

The product of its (nonzero) digits is 6561, while the sum is 35.

The square root of 101399039 is about 10069.7089828853. The cubic root of 101399039 is about 466.3134545526.

The spelling of 101399039 in words is "one hundred one million, three hundred ninety-nine thousand, thirty-nine".