102140120543 has 2 divisors, whose sum is σ = 102140120544. Its totient is φ = 102140120542.

The previous prime is 102140120441. The next prime is 102140120581. The reversal of 102140120543 is 345021041201.

It is a strong prime.

It is an emirp because it is prime and its reverse (345021041201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102140120543 - 2²⁴ = 102123343327 is a prime.

It is a super-2 number, since 2×102140120543² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102140120743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51070060271 + 51070060272.

It is an arithmetic number, because the mean of its divisors is an integer number (51070060272).

Almost surely, 2^102140120543 is an apocalyptic number.

102140120543 is a deficient number, since it is larger than the sum of its proper divisors (1).

102140120543 is an equidigital number, since it uses as much as digits as its factorization.

102140120543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 102140120543 its reverse (345021041201), we get a palindrome (447161161744).

The spelling of 102140120543 in words is "one hundred two billion, one hundred forty million, one hundred twenty thousand, five hundred forty-three".