102601143 has 12 divisors (see below), whose sum is σ = 148461768. Its totient is φ = 68280720.

The previous prime is 102601133. The next prime is 102601151. The reversal of 102601143 is 341106201.

It is a happy number.

It is not a de Polignac number, because 102601143 - 2¹⁰ = 102600119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102601133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4428 + ... + 14993.

It is an arithmetic number, because the mean of its divisors is an integer number (12371814).

Almost surely, 2^102601143 is an apocalyptic number.

102601143 is a deficient number, since it is larger than the sum of its proper divisors (45860625).

102601143 is a wasteful number, since it uses less digits than its factorization.

102601143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20014 (or 20011 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 102601143 is about 10129.2222307539. Note that the first 4 decimals coincide. The cubic root of 102601143 is about 468.1489636474.

Adding to 102601143 its reverse (341106201), we get a palindrome (443707344).

The spelling of 102601143 in words is "one hundred two million, six hundred one thousand, one hundred forty-three".