102121134 has 8 divisors (see below), whose sum is σ = 204242280. Its totient is φ = 34040376.

The previous prime is 102121133. The next prime is 102121139. The reversal of 102121134 is 431121201.

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

102121134 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8510089 + ... + 8510100.

It is an arithmetic number, because the mean of its divisors is an integer number (25530285).

Almost surely, 2^102121134 is an apocalyptic number.

102121134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

102121134 is a wasteful number, since it uses less digits than its factorization.

102121134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17020194.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 102121134 is about 10105.5001855425. The cubic root of 102121134 is about 467.4177597526.

Adding to 102121134 its reverse (431121201), we get a palindrome (533242335).

It can be divided in two parts, 1021 and 21134, that added together give a triangular number (22155 = T₂₁₀).

The spelling of 102121134 in words is "one hundred two million, one hundred twenty-one thousand, one hundred thirty-four".