120555436 has 24 divisors (see below), whose sum is σ = 219053520. Its totient is φ = 57984192.

The previous prime is 120555377. The next prime is 120555439. The reversal of 120555436 is 634555021.

It is a super-2 number, since 2×120555436² = 29067226298300192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120555398 and 120555407.

It is not an unprimeable number, because it can be changed into a prime (120555439) 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, 32215 + ... + 35761.

It is an arithmetic number, because the mean of its divisors is an integer number (9127230).

Almost surely, 2^120555436 is an apocalyptic number.

It is an amenable number.

120555436 is a deficient number, since it is larger than the sum of its proper divisors (98498084).

120555436 is a wasteful number, since it uses less digits than its factorization.

120555436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873 (or 3871 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 120555436 is about 10979.7739503143. The cubic root of 120555436 is about 494.0022564874.

The spelling of 120555436 in words is "one hundred twenty million, five hundred fifty-five thousand, four hundred thirty-six".