120538730 has 32 divisors (see below), whose sum is σ = 234738000. Its totient is φ = 44301312.

The previous prime is 120538727. The next prime is 120538739. The reversal of 120538730 is 37835021.

It can be written as a sum of positive squares in 8 ways, for example, as 43573201 + 76965529 = 6601^2 + 8773^2 .

It is a super-3 number, since 3×120538730³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120538693 and 120538702.

It is not an unprimeable number, because it can be changed into a prime (120538739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27746 + ... + 31794.

Almost surely, 2^120538730 is an apocalyptic number.

120538730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120538730 is a deficient number, since it is larger than the sum of its proper divisors (114199270).

120538730 is a wasteful number, since it uses less digits than its factorization.

120538730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4298.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 120538730 is about 10979.0131614822. The cubic root of 120538730 is about 493.9794366041.

The spelling of 120538730 in words is "one hundred twenty million, five hundred thirty-eight thousand, seven hundred thirty".