1230120130 has 64 divisors (see below), whose sum is σ = 2351099520. Its totient is φ = 462758400.

The previous prime is 1230120113. The next prime is 1230120131. The reversal of 1230120130 is 310210321.

It is a self number, because there is not a number n which added to its sum of digits gives 1230120130.

It is not an unprimeable number, because it can be changed into a prime (1230120131) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1986961 + ... + 1987579.

It is an arithmetic number, because the mean of its divisors is an integer number (36735930).

Almost surely, 2^1230120130 is an apocalyptic number.

1230120130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230120130 is a deficient number, since it is larger than the sum of its proper divisors (1120979390).

1230120130 is a wasteful number, since it uses less digits than its factorization.

1230120130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835.

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

The square root of 1230120130 is about 35073.0684428950. The cubic root of 1230120130 is about 1071.4761499210.

Adding to 1230120130 its reverse (310210321), we get a palindrome (1540330451).

The spelling of 1230120130 in words is "one billion, two hundred thirty million, one hundred twenty thousand, one hundred thirty".