102025431 has 12 divisors (see below), whose sum is σ = 147457752. Its totient is φ = 67976496.

The previous prime is 102025423. The next prime is 102025439. The reversal of 102025431 is 134520201.

It is an interprime number because it is at equal distance from previous prime (102025423) and next prime (102025439).

It is not a de Polignac number, because 102025431 - 2³ = 102025423 is a prime.

It is a super-2 number, since 2×102025431² = 20818377141471522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102025439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26905 + ... + 30461.

It is an arithmetic number, because the mean of its divisors is an integer number (12288146).

Almost surely, 2^102025431 is an apocalyptic number.

102025431 is a deficient number, since it is larger than the sum of its proper divisors (45432321).

102025431 is a wasteful number, since it uses less digits than its factorization.

102025431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6750 (or 6747 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 102025431 is about 10100.7638820042. The cubic root of 102025431 is about 467.2717003251.

Adding to 102025431 its reverse (134520201), we get a palindrome (236545632).

The spelling of 102025431 in words is "one hundred two million, twenty-five thousand, four hundred thirty-one".