100120010 has 8 divisors (see below), whose sum is σ = 180216036. Its totient is φ = 40048000.

The previous prime is 100120003. The next prime is 100120037. The reversal of 100120010 is 10021001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99780121 + 339889 = 9989^2 + 583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 100119976 and 100120003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005991 + ... + 5006010.

Almost surely, 2^100120010 is an apocalyptic number.

100120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100120010 is a deficient number, since it is larger than the sum of its proper divisors (80096026).

100120010 is a wasteful number, since it uses less digits than its factorization.

100120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10012008.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 100120010 is about 10005.9987007794. The cubic root of 100120010 is about 464.3444881583.

Adding to 100120010 its reverse (10021001), we get a palindrome (110141011).

Subtracting from 100120010 its reverse (10021001), we obtain a palindrome (90099009).

The spelling of 100120010 in words is "one hundred million, one hundred twenty thousand, ten".