102634620 has 144 divisors (see below), whose sum is σ = 322111104. Its totient is φ = 24393600.

The previous prime is 102634613. The next prime is 102634621. The reversal of 102634620 is 26436201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102634621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 486315 + ... + 486525.

Almost surely, 2^102634620 is an apocalyptic number.

102634620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102634620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161055552).

102634620 is an abundant number, since it is smaller than the sum of its proper divisors (219476484).

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

102634620 is a wasteful number, since it uses less digits than its factorization.

102634620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 102634620 is about 10130.8745920577. The cubic root of 102634620 is about 468.1998744468.

The spelling of 102634620 in words is "one hundred two million, six hundred thirty-four thousand, six hundred twenty".