120187369 has 9 divisors (see below), whose sum is σ = 127066167. Its totient is φ = 113664384.

The previous prime is 120187363. The next prime is 120187381. The reversal of 120187369 is 963781021.

The square root of 120187369 is 10963.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 119355625 + 831744 = 10925^2 + 912^2 .

It is not a de Polignac number, because 120187369 - 2⁵ = 120187337 is a prime.

It is a super-2 number, since 2×120187369² = 28890007334284322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120187363) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 208009 + ... + 208585.

It is an arithmetic number, because the mean of its divisors is an integer number (14118463).

Almost surely, 2^120187369 is an apocalyptic number.

120187369 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

120187369 is the 10963-rd square number.

120187369 is the 5482-nd centered octagonal number.

It is an amenable number.

120187369 is a deficient number, since it is larger than the sum of its proper divisors (6878798).

120187369 is an frugal number, since it uses more digits than its factorization.

120187369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The cubic root of 120187369 is about 493.4989989738.

It can be divided in two parts, 120 and 187369, that added together give a square (187489 = 433²).

The spelling of 120187369 in words is "one hundred twenty million, one hundred eighty-seven thousand, three hundred sixty-nine".