101039406 has 16 divisors (see below), whose sum is σ = 217623504. Its totient is φ = 31089024.

The previous prime is 101039377. The next prime is 101039413. The reversal of 101039406 is 604930101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647611 + ... + 647766.

It is an arithmetic number, because the mean of its divisors is an integer number (13601469).

Almost surely, 2^101039406 is an apocalyptic number.

101039406 is an abundant number, since it is smaller than the sum of its proper divisors (116584098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101039406 is a wasteful number, since it uses less digits than its factorization.

101039406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295395.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 101039406 is about 10051.8359517055. The cubic root of 101039406 is about 465.7615086204.

Adding to 101039406 its reverse (604930101), we get a palindrome (705969507).

The spelling of 101039406 in words is "one hundred one million, thirty-nine thousand, four hundred six".