120141765 has 32 divisors (see below), whose sum is σ = 222877440. Its totient is φ = 61288128.

The previous prime is 120141761. The next prime is 120141773. The reversal of 120141765 is 567141021.

It is a happy number.

It is not a de Polignac number, because 120141765 - 2² = 120141761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120141761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16242 + ... + 22451.

It is an arithmetic number, because the mean of its divisors is an integer number (6964920).

Almost surely, 2^120141765 is an apocalyptic number.

120141765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120141765 is a deficient number, since it is larger than the sum of its proper divisors (102735675).

120141765 is a wasteful number, since it uses less digits than its factorization.

120141765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38730 (or 38724 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 120141765 is about 10960.9198975268. The cubic root of 120141765 is about 493.4365731808.

Adding to 120141765 its reverse (567141021), we get a palindrome (687282786).

The spelling of 120141765 in words is "one hundred twenty million, one hundred forty-one thousand, seven hundred sixty-five".