30120130 has 16 divisors (see below), whose sum is σ = 57070080. Its totient is φ = 11413872.

The previous prime is 30120113. The next prime is 30120131. The reversal of 30120130 is 3102103.

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

It is not an unprimeable number, because it can be changed into a prime (30120131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79074 + ... + 79453.

It is an arithmetic number, because the mean of its divisors is an integer number (3566880).

Almost surely, 2^30120130 is an apocalyptic number.

30120130 is a deficient number, since it is larger than the sum of its proper divisors (26949950).

30120130 is a wasteful number, since it uses less digits than its factorization.

30120130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158553.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 30120130 is about 5488.1809372505. The cubic root of 30120130 is about 311.1374447192.

Adding to 30120130 its reverse (3102103), we get a palindrome (33222233).

The spelling of 30120130 in words is "thirty million, one hundred twenty thousand, one hundred thirty".