101420685 has 96 divisors (see below), whose sum is σ = 197683200. Its totient is φ = 47900160.

The previous prime is 101420677. The next prime is 101420687. The reversal of 101420685 is 586024101.

It is not a de Polignac number, because 101420685 - 2³ = 101420677 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101420687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 930411 + ... + 930519.

It is an arithmetic number, because the mean of its divisors is an integer number (2059200).

Almost surely, 2^101420685 is an apocalyptic number.

101420685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101420685 is a deficient number, since it is larger than the sum of its proper divisors (96262515).

101420685 is a wasteful number, since it uses less digits than its factorization.

101420685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 101420685 is about 10070.7837331560. The cubic root of 101420685 is about 466.3466340349.

Adding to 101420685 its reverse (586024101), we get a palindrome (687444786).

The spelling of 101420685 in words is "one hundred one million, four hundred twenty thousand, six hundred eighty-five".