120729193540 has 48 divisors (see below), whose sum is σ = 256009444992. Its totient is φ = 47820036096.

The previous prime is 120729193523. The next prime is 120729193583. The reversal of 120729193540 is 45391927021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5653924 + ... + 5675236.

It is an arithmetic number, because the mean of its divisors is an integer number (5333530104).

Almost surely, 2^120729193540 is an apocalyptic number.

120729193540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120729193540 is an abundant number, since it is smaller than the sum of its proper divisors (135280251452).

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

120729193540 is a wasteful number, since it uses less digits than its factorization.

120729193540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24076 (or 24074 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 120729193540 in words is "one hundred twenty billion, seven hundred twenty-nine million, one hundred ninety-three thousand, five hundred forty".