120730542 has 16 divisors (see below), whose sum is σ = 251959680. Its totient is φ = 38493752.

The previous prime is 120730531. The next prime is 120730559. The reversal of 120730542 is 245037021.

It is a super-2 number, since 2×120730542² = 29151727543227528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437292 + ... + 437567.

It is an arithmetic number, because the mean of its divisors is an integer number (15747480).

Almost surely, 2^120730542 is an apocalyptic number.

120730542 is an abundant number, since it is smaller than the sum of its proper divisors (131229138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120730542 is a wasteful number, since it uses less digits than its factorization.

120730542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874887.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 120730542 is about 10987.7450825909. The cubic root of 120730542 is about 494.2413191521.

Adding to 120730542 its reverse (245037021), we get a palindrome (365767563).

The spelling of 120730542 in words is "one hundred twenty million, seven hundred thirty thousand, five hundred forty-two".