101250143 has 2 divisors, whose sum is σ = 101250144. Its totient is φ = 101250142.

The previous prime is 101250139. The next prime is 101250161. The reversal of 101250143 is 341052101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101250143 - 2² = 101250139 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101250103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50625071 + 50625072.

It is an arithmetic number, because the mean of its divisors is an integer number (50625072).

Almost surely, 2^101250143 is an apocalyptic number.

101250143 is a deficient number, since it is larger than the sum of its proper divisors (1).

101250143 is an equidigital number, since it uses as much as digits as its factorization.

101250143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 101250143 is about 10062.3130044737. The cubic root of 101250143 is about 466.0850953173.

The spelling of 101250143 in words is "one hundred one million, two hundred fifty thousand, one hundred forty-three".