120347930 has 16 divisors (see below), whose sum is σ = 229369320. Its totient is φ = 45307392.

The previous prime is 120347923. The next prime is 120347933. The reversal of 120347930 is 39743021.

It can be written as a sum of positive squares in 4 ways, for example, as 77563249 + 42784681 = 8807^2 + 6541^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120347893 and 120347902.

It is not an unprimeable number, because it can be changed into a prime (120347933) 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, 353795 + ... + 354134.

Almost surely, 2^120347930 is an apocalyptic number.

120347930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120347930 is a deficient number, since it is larger than the sum of its proper divisors (109021390).

120347930 is a wasteful number, since it uses less digits than its factorization.

120347930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707953.

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

The square root of 120347930 is about 10970.3204146461. The cubic root of 120347930 is about 493.7186599773.

The spelling of 120347930 in words is "one hundred twenty million, three hundred forty-seven thousand, nine hundred thirty".