102620124 has 36 divisors (see below), whose sum is σ = 261306864. Its totient is φ = 33955392.

The previous prime is 102620123. The next prime is 102620209. The reversal of 102620124 is 421026201.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102620097 and 102620106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102620123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5472 + ... + 15335.

It is an arithmetic number, because the mean of its divisors is an integer number (7258524).

Almost surely, 2^102620124 is an apocalyptic number.

It is an amenable number.

102620124 is an abundant number, since it is smaller than the sum of its proper divisors (158686740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102620124 is a wasteful number, since it uses less digits than its factorization.

102620124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20954 (or 20949 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 102620124 is about 10130.1591300433. The cubic root of 102620124 is about 468.1778307318.

Adding to 102620124 its reverse (421026201), we get a palindrome (523646325).

The spelling of 102620124 in words is "one hundred two million, six hundred twenty thousand, one hundred twenty-four".