72125143 has 2 divisors, whose sum is σ = 72125144. Its totient is φ = 72125142.

The previous prime is 72125069. The next prime is 72125149. The reversal of 72125143 is 34152127.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72125143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72125149) by changing a digit.

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 as a sum of consecutive naturals, namely, 36062571 + 36062572.

It is an arithmetic number, because the mean of its divisors is an integer number (36062572).

Almost surely, 2^72125143 is an apocalyptic number.

72125143 is a deficient number, since it is larger than the sum of its proper divisors (1).

72125143 is an equidigital number, since it uses as much as digits as its factorization.

72125143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 25.

The square root of 72125143 is about 8492.6522947781. The cubic root of 72125143 is about 416.2576509639.

The spelling of 72125143 in words is "seventy-two million, one hundred twenty-five thousand, one hundred forty-three".