120550040 has 32 divisors (see below), whose sum is σ = 292103280. Its totient is φ = 44510592.

The previous prime is 120549983. The next prime is 120550049. The reversal of 120550040 is 40055021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120550049) 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, 115394 + ... + 116433.

Almost surely, 2^120550040 is an apocalyptic number.

120550040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120550040 is an abundant number, since it is smaller than the sum of its proper divisors (171553240).

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

120550040 is a wasteful number, since it uses less digits than its factorization.

120550040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231851 (or 231847 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 120550040 is about 10979.5282230158. The cubic root of 120550040 is about 493.9948859475.

The spelling of 120550040 in words is "one hundred twenty million, five hundred fifty thousand, forty".