120065650 has 24 divisors (see below), whose sum is σ = 224154180. Its totient is φ = 47847360.

The previous prime is 120065639. The next prime is 120065651. The reversal of 120065650 is 56560021.

It can be written as a sum of positive squares in 6 ways, for example, as 21520321 + 98545329 = 4639^2 + 9927^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (120065651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9516 + ... + 18184.

Almost surely, 2^120065650 is an apocalyptic number.

120065650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120065650 is a deficient number, since it is larger than the sum of its proper divisors (104088530).

120065650 is a wasteful number, since it uses less digits than its factorization.

120065650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8958 (or 8953 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 120065650 is about 10957.4472392068. The cubic root of 120065650 is about 493.3323467028.

The spelling of 120065650 in words is "one hundred twenty million, sixty-five thousand, six hundred fifty".