102940471 has 4 divisors (see below), whose sum is σ = 103179744. Its totient is φ = 102701200.

The previous prime is 102940447. The next prime is 102940493. The reversal of 102940471 is 174049201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 174049201 = 89 ⋅1955609.

It is a cyclic number.

It is not a de Polignac number, because 102940471 - 2¹³ = 102932279 is a prime.

It is a super-3 number, since 3×102940471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102940441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118990 + ... + 119851.

It is an arithmetic number, because the mean of its divisors is an integer number (25794936).

Almost surely, 2^102940471 is an apocalyptic number.

102940471 is a deficient number, since it is larger than the sum of its proper divisors (239273).

102940471 is an equidigital number, since it uses as much as digits as its factorization.

102940471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239272.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 102940471 is about 10145.9583578881. The cubic root of 102940471 is about 468.6644915197.

Adding to 102940471 its reverse (174049201), we get a palindrome (276989672).

The spelling of 102940471 in words is "one hundred two million, nine hundred forty thousand, four hundred seventy-one".