240720130 has 32 divisors (see below), whose sum is σ = 496108800. Its totient is φ = 82380480.

The previous prime is 240720089. The next prime is 240720131. The reversal of 240720130 is 31027042.

It is a junction number, because it is equal to n+sod(n) for n = 240720098 and 240720107.

It is not an unprimeable number, because it can be changed into a prime (240720131) 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 15 ways as a sum of consecutive naturals, for example, 39060 + ... + 44800.

It is an arithmetic number, because the mean of its divisors is an integer number (15503400).

Almost surely, 2^240720130 is an apocalyptic number.

240720130 is an abundant number, since it is smaller than the sum of its proper divisors (255388670).

240720130 is a wasteful number, since it uses less digits than its factorization.

240720130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6354.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 240720130 is about 15515.1580720275. The cubic root of 240720130 is about 622.0674392609.

Adding to 240720130 its reverse (31027042), we get a palindrome (271747172).

The spelling of 240720130 in words is "two hundred forty million, seven hundred twenty thousand, one hundred thirty".