120885440 has 56 divisors (see below), whose sum is σ = 310012080. Its totient is φ = 44633088.

The previous prime is 120885437. The next prime is 120885449. The reversal of 120885440 is 44588021.

It is a happy number.

It is a super-2 number, since 2×120885440² = 29226579207987200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 120885397 and 120885406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120885449) 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, 10370 + ... + 18689.

It is an arithmetic number, because the mean of its divisors is an integer number (5535930).

Almost surely, 2^120885440 is an apocalyptic number.

120885440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120885440 is an abundant number, since it is smaller than the sum of its proper divisors (189126640).

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

120885440 is a wasteful number, since it uses less digits than its factorization.

120885440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29089 (or 29079 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 120885440 is about 10994.7914941576. The cubic root of 120885440 is about 494.4526003321.

The spelling of 120885440 in words is "one hundred twenty million, eight hundred eighty-five thousand, four hundred forty".