101020506 has 32 divisors (see below), whose sum is σ = 209184768. Its totient is φ = 32489520.

The previous prime is 101020501. The next prime is 101020541. The reversal of 101020506 is 605020101.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101020501) 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 15 ways as a sum of consecutive naturals, for example, 86281 + ... + 87443.

It is an arithmetic number, because the mean of its divisors is an integer number (6537024).

Almost surely, 2^101020506 is an apocalyptic number.

101020506 is an abundant number, since it is smaller than the sum of its proper divisors (108164262).

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

101020506 is a wasteful number, since it uses less digits than its factorization.

101020506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 101020506 is about 10050.8957809740. The cubic root of 101020506 is about 465.7324656896.

Adding to 101020506 its reverse (605020101), we get a palindrome (706040607).

The spelling of 101020506 in words is "one hundred one million, twenty thousand, five hundred six".