100601020 has 24 divisors (see below), whose sum is σ = 227513664. Its totient is φ = 37144896.

The previous prime is 100600999. The next prime is 100601021. The reversal of 100601020 is 20106001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 100600988 and 100601006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100601021) 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, 193204 + ... + 193723.

It is an arithmetic number, because the mean of its divisors is an integer number (9479736).

Almost surely, 2^100601020 is an apocalyptic number.

100601020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100601020 is an abundant number, since it is smaller than the sum of its proper divisors (126912644).

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

100601020 is a wasteful number, since it uses less digits than its factorization.

100601020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386949 (or 386947 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 100601020 is about 10030.0059820521. The cubic root of 100601020 is about 465.0869225103.

Adding to 100601020 its reverse (20106001), we get a palindrome (120707021).

The spelling of 100601020 in words is "one hundred million, six hundred one thousand, twenty".