101030120 has 16 divisors (see below), whose sum is σ = 227317860. Its totient is φ = 40412032.

The previous prime is 101030117. The next prime is 101030131. The reversal of 101030120 is 21030101.

It can be written as a sum of positive squares in 2 ways, for example, as 100841764 + 188356 = 10042^2 + 434^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 101030098 and 101030107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262837 + ... + 1262916.

Almost surely, 2^101030120 is an apocalyptic number.

101030120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101030120 is an abundant number, since it is smaller than the sum of its proper divisors (126287740).

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

101030120 is a wasteful number, since it uses less digits than its factorization.

101030120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525764 (or 2525760 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 101030120 is about 10051.3740354242. The cubic root of 101030120 is about 465.7472396204.

Adding to 101030120 its reverse (21030101), we get a palindrome (122060221).

The spelling of 101030120 in words is "one hundred one million, thirty thousand, one hundred twenty".