102624221 has 8 divisors (see below), whose sum is σ = 118181184. Its totient is φ = 87291360.

The previous prime is 102624211. The next prime is 102624241. The reversal of 102624221 is 122426201.

It is a happy number.

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 102624221 - 2¹⁰ = 102623197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102624193 and 102624202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102624211) 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, 55040 + ... + 56873.

It is an arithmetic number, because the mean of its divisors is an integer number (14772648).

Almost surely, 2^102624221 is an apocalyptic number.

It is an amenable number.

102624221 is a deficient number, since it is larger than the sum of its proper divisors (15556963).

102624221 is a wasteful number, since it uses less digits than its factorization.

102624221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112051.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 102624221 is about 10130.3613459738. The cubic root of 102624221 is about 468.1840611506.

The spelling of 102624221 in words is "one hundred two million, six hundred twenty-four thousand, two hundred twenty-one".