120743930 has 8 divisors (see below), whose sum is σ = 217339092. Its totient is φ = 48297568.

The previous prime is 120743929. The next prime is 120743939. The reversal of 120743930 is 39347021.

It can be written as a sum of positive squares in 2 ways, for example, as 107516161 + 13227769 = 10369^2 + 3637^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 120743893 and 120743902.

It is not an unprimeable number, because it can be changed into a prime (120743939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6037187 + ... + 6037206.

Almost surely, 2^120743930 is an apocalyptic number.

120743930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120743930 is a deficient number, since it is larger than the sum of its proper divisors (96595162).

120743930 is a wasteful number, since it uses less digits than its factorization.

120743930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12074400.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 120743930 is about 10988.3542898834. The cubic root of 120743930 is about 494.2595875430.

The spelling of 120743930 in words is "one hundred twenty million, seven hundred forty-three thousand, nine hundred thirty".