120145860 has 36 divisors (see below), whose sum is σ = 364442988. Its totient is φ = 32038848.

The previous prime is 120145841. The next prime is 120145871. The reversal of 120145860 is 68541021.

120145860 is a `hidden beast` number, since 1 + 201 + 458 + 6 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 81432576 + 38713284 = 9024^2 + 6222^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333559 + ... + 333918.

Almost surely, 2^120145860 is an apocalyptic number.

120145860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120145860 is an abundant number, since it is smaller than the sum of its proper divisors (244297128).

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

120145860 is a wasteful number, since it uses less digits than its factorization.

120145860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667492 (or 667487 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 120145860 is about 10961.1066959500. The cubic root of 120145860 is about 493.4421793351.

Adding to 120145860 its reverse (68541021), we get a palindrome (188686881).

The spelling of 120145860 in words is "one hundred twenty million, one hundred forty-five thousand, eight hundred sixty".