102425515 has 8 divisors (see below), whose sum is σ = 123622128. Its totient is φ = 81466080.

The previous prime is 102425507. The next prime is 102425537. The reversal of 102425515 is 515524201.

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

It is not a de Polignac number, because 102425515 - 2³ = 102425507 is a prime.

It is a super-2 number, since 2×102425515² = 20981972246030450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102425515.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58341 + ... + 60070.

It is an arithmetic number, because the mean of its divisors is an integer number (15452766).

Almost surely, 2^102425515 is an apocalyptic number.

102425515 is a deficient number, since it is larger than the sum of its proper divisors (21196613).

102425515 is a wasteful number, since it uses less digits than its factorization.

102425515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118589.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 102425515 is about 10120.5491451798. The cubic root of 102425515 is about 467.8816923416.

Adding to 102425515 its reverse (515524201), we get a palindrome (617949716).

The spelling of 102425515 in words is "one hundred two million, four hundred twenty-five thousand, five hundred fifteen".