120120730 has 8 divisors (see below), whose sum is σ = 216217332. Its totient is φ = 48048288.

The previous prime is 120120727. The next prime is 120120733. The reversal of 120120730 is 37021021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120120727) and next prime (120120733).

It can be written as a sum of positive squares in 2 ways, for example, as 115971361 + 4149369 = 10769^2 + 2037^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (120120733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6006027 + ... + 6006046.

Almost surely, 2^120120730 is an apocalyptic number.

120120730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120120730 is a deficient number, since it is larger than the sum of its proper divisors (96096602).

120120730 is a wasteful number, since it uses less digits than its factorization.

120120730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12012080.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 120120730 is about 10959.9603101471. The cubic root of 120120730 is about 493.4077737478.

Adding to 120120730 its reverse (37021021), we get a palindrome (157141751).

The spelling of 120120730 in words is "one hundred twenty million, one hundred twenty thousand, seven hundred thirty".