100120036 has 9 divisors (see below), whose sum is σ = 175245091. Its totient is φ = 50050012.

The previous prime is 100120003. The next prime is 100120037. The reversal of 100120036 is 630021001.

The square root of 100120036 is 10006.

It is a perfect power (a square), and thus also a powerful number.

It is a super-3 number, since 3×100120036³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100119998 and 100120025.

It is not an unprimeable number, because it can be changed into a prime (100120037) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 17511 + ... + 22513.

Almost surely, 2^100120036 is an apocalyptic number.

100120036 is the 10006-th square number.

It is an amenable number.

100120036 is a deficient number, since it is larger than the sum of its proper divisors (75125055).

100120036 is an frugal number, since it uses more digits than its factorization.

100120036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010 (or 5005 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The cubic root of 100120036 is about 464.3445283532.

Multiplying 100120036 by its product of nonzero digits (36), we get a square (3604321296 = 60036²).

Adding to 100120036 its reverse (630021001), we get a palindrome (730141037).

The spelling of 100120036 in words is "one hundred million, one hundred twenty thousand, thirty-six".