102420097 has 8 divisors (see below), whose sum is σ = 112646016. Its totient is φ = 92529552.

The previous prime is 102420077. The next prime is 102420119. The reversal of 102420097 is 790024201.

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

It is a cyclic number.

It is not a de Polignac number, because 102420097 - 2⁷ = 102419969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102420077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83203 + ... + 84424.

It is an arithmetic number, because the mean of its divisors is an integer number (14080752).

Almost surely, 2^102420097 is an apocalyptic number.

It is an amenable number.

102420097 is a deficient number, since it is larger than the sum of its proper divisors (10225919).

102420097 is a wasteful number, since it uses less digits than its factorization.

102420097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167687.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 102420097 is about 10120.2814684178. The cubic root of 102420097 is about 467.8734423539.

Adding to 102420097 its reverse (790024201), we get a palindrome (892444298).

The spelling of 102420097 in words is "one hundred two million, four hundred twenty thousand, ninety-seven".