30101120 has 64 divisors (see below), whose sum is σ = 82252800. Its totient is φ = 10318848.

The previous prime is 30101107. The next prime is 30101147. The reversal of 30101120 is 2110103.

It is a tau number, because it is divible by the number of its divisors (64).

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 = 30101098 and 30101107.

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 7 ways as a sum of consecutive naturals, for example, 1121 + ... + 7839.

It is an arithmetic number, because the mean of its divisors is an integer number (1285200).

Almost surely, 2^30101120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41126400).

30101120 is an abundant number, since it is smaller than the sum of its proper divisors (52151680).

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

30101120 is an equidigital number, since it uses as much as digits as its factorization.

30101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6745 (or 6733 counting only the distinct ones).

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

The square root of 30101120 is about 5486.4487603549. The cubic root of 30101120 is about 311.0719739128.

Adding to 30101120 its reverse (2110103), we get a palindrome (32211223).

The spelling of 30101120 in words is "thirty million, one hundred one thousand, one hundred twenty".