107972143 has 4 divisors (see below), whose sum is σ = 112666608. Its totient is φ = 103277680.

The previous prime is 107972129. The next prime is 107972149. The reversal of 107972143 is 341279701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341279701 = 7 ⋅48754243.

It is a cyclic number.

It is not a de Polignac number, because 107972143 - 2²⁵ = 74417711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 107972099 and 107972108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107972149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2347198 + ... + 2347243.

It is an arithmetic number, because the mean of its divisors is an integer number (28166652).

Almost surely, 2^107972143 is an apocalyptic number.

107972143 is a deficient number, since it is larger than the sum of its proper divisors (4694465).

107972143 is an equidigital number, since it uses as much as digits as its factorization.

107972143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4694464.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 107972143 is about 10390.9644884390. The cubic root of 107972143 is about 476.1793674112.

The spelling of 107972143 in words is "one hundred seven million, nine hundred seventy-two thousand, one hundred forty-three".