101143073 has 2 divisors, whose sum is σ = 101143074. Its totient is φ = 101143072.

The previous prime is 101143067. The next prime is 101143129. The reversal of 101143073 is 370341101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67699984 + 33443089 = 8228^2 + 5783^2 .

It is a cyclic number.

It is not a de Polignac number, because 101143073 - 2⁴ = 101143057 is a prime.

It is not a weakly prime, because it can be changed into another prime (101143373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50571536 + 50571537.

It is an arithmetic number, because the mean of its divisors is an integer number (50571537).

Almost surely, 2^101143073 is an apocalyptic number.

It is an amenable number.

101143073 is a deficient number, since it is larger than the sum of its proper divisors (1).

101143073 is an equidigital number, since it uses as much as digits as its factorization.

101143073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 101143073 is about 10056.9912498719. The cubic root of 101143073 is about 465.9207454845.

Adding to 101143073 its reverse (370341101), we get a palindrome (471484174).

The spelling of 101143073 in words is "one hundred one million, one hundred forty-three thousand, seventy-three".