120100143 has 8 divisors (see below), whose sum is σ = 160416256. Its totient is φ = 79925400.

The previous prime is 120100139. The next prime is 120100147. The reversal of 120100143 is 341001021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120100139) and next prime (120100147).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120100143 - 2² = 120100139 is a prime.

It is a super-3 number, since 3×120100143³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100147) 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, 33343 + ... + 36768.

It is an arithmetic number, because the mean of its divisors is an integer number (20052032).

Almost surely, 2^120100143 is an apocalyptic number.

120100143 is a deficient number, since it is larger than the sum of its proper divisors (40316113).

120100143 is an equidigital number, since it uses as much as digits as its factorization.

120100143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70685.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 120100143 is about 10959.0210785453. The cubic root of 120100143 is about 493.3795844248.

Adding to 120100143 its reverse (341001021), we get a palindrome (461101164).

The spelling of 120100143 in words is "one hundred twenty million, one hundred thousand, one hundred forty-three".