120445720 has 32 divisors (see below), whose sum is σ = 275451120. Its totient is φ = 47387520.

The previous prime is 120445711. The next prime is 120445777. The reversal of 120445720 is 27544021.

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, 22242 + ... + 27121.

Almost surely, 2^120445720 is an apocalyptic number.

120445720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120445720 is an abundant number, since it is smaller than the sum of its proper divisors (155005400).

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

120445720 is a wasteful number, since it uses less digits than its factorization.

120445720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49435 (or 49431 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 120445720 is about 10974.7765353104. The cubic root of 120445720 is about 493.8523492361.

Adding to 120445720 its reverse (27544021), we get a palindrome (147989741).

The spelling of 120445720 in words is "one hundred twenty million, four hundred forty-five thousand, seven hundred twenty".