102900534 has 48 divisors (see below), whose sum is σ = 228795840. Its totient is φ = 30597600.

The previous prime is 102900533. The next prime is 102900547. The reversal of 102900534 is 435009201.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102900533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245377 + ... + 245795.

It is an arithmetic number, because the mean of its divisors is an integer number (4766580).

Almost surely, 2^102900534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102900534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114397920).

102900534 is an abundant number, since it is smaller than the sum of its proper divisors (125895306).

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

102900534 is a wasteful number, since it uses less digits than its factorization.

102900534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 102900534 is about 10143.9900433705. The cubic root of 102900534 is about 468.6038756620.

Adding to 102900534 its reverse (435009201), we get a palindrome (537909735).

The spelling of 102900534 in words is "one hundred two million, nine hundred thousand, five hundred thirty-four".