102140120558 has 16 divisors (see below), whose sum is σ = 178401074400. Its totient is φ = 42948406176.

The previous prime is 102140120543. The next prime is 102140120581. The reversal of 102140120558 is 855021041201.

It is a super-3 number, since 3×102140120558³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102140120558.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68826833 + ... + 68828316.

It is an arithmetic number, because the mean of its divisors is an integer number (11150067150).

Almost surely, 2^102140120558 is an apocalyptic number.

102140120558 is a deficient number, since it is larger than the sum of its proper divisors (76260953842).

102140120558 is a wasteful number, since it uses less digits than its factorization.

102140120558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137655211.

The product of its (nonzero) digits is 3200, while the sum is 29.

Adding to 102140120558 its reverse (855021041201), we get a palindrome (957161161759).

The spelling of 102140120558 in words is "one hundred two billion, one hundred forty million, one hundred twenty thousand, five hundred fifty-eight".