201143120 has 40 divisors (see below), whose sum is σ = 492275040. Its totient is φ = 76222080.

The previous prime is 201143083. The next prime is 201143123. The reversal of 201143120 is 21341102.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 201143095 and 201143104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201143123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64646 + ... + 67685.

It is an arithmetic number, because the mean of its divisors is an integer number (12306876).

Almost surely, 2^201143120 is an apocalyptic number.

201143120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201143120 is an abundant number, since it is smaller than the sum of its proper divisors (291131920).

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

201143120 is a wasteful number, since it uses less digits than its factorization.

201143120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132363 (or 132357 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 201143120 is about 14182.4934338078. The cubic root of 201143120 is about 585.9155993639.

Adding to 201143120 its reverse (21341102), we get a palindrome (222484222).

The spelling of 201143120 in words is "two hundred one million, one hundred forty-three thousand, one hundred twenty".