102421054 has 8 divisors (see below), whose sum is σ = 153675720. Its totient is φ = 51195816.

The previous prime is 102421049. The next prime is 102421057. The reversal of 102421054 is 450124201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102421057) 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, 6777 + ... + 15835.

It is an arithmetic number, because the mean of its divisors is an integer number (19209465).

Almost surely, 2^102421054 is an apocalyptic number.

102421054 is a deficient number, since it is larger than the sum of its proper divisors (51254666).

102421054 is an equidigital number, since it uses as much as digits as its factorization.

102421054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14714.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 102421054 is about 10120.3287496010. The cubic root of 102421054 is about 467.8748995988.

Adding to 102421054 its reverse (450124201), we get a palindrome (552545255).

The spelling of 102421054 in words is "one hundred two million, four hundred twenty-one thousand, fifty-four".