102112134 has 16 divisors (see below), whose sum is σ = 213103872. Its totient is φ = 32557448.

The previous prime is 102112121. The next prime is 102112139. The reversal of 102112134 is 431211201.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112139) 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, 369834 + ... + 370109.

It is an arithmetic number, because the mean of its divisors is an integer number (13318992).

Almost surely, 2^102112134 is an apocalyptic number.

102112134 is an abundant number, since it is smaller than the sum of its proper divisors (110991738).

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

102112134 is a wasteful number, since it uses less digits than its factorization.

102112134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739971.

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

The square root of 102112134 is about 10105.0548736758. The cubic root of 102112134 is about 467.4040280752.

Adding to 102112134 its reverse (431211201), we get a palindrome (533323335).

The spelling of 102112134 in words is "one hundred two million, one hundred twelve thousand, one hundred thirty-four".