102123134 has 8 divisors (see below), whose sum is σ = 155342448. Its totient is φ = 50342320.

The previous prime is 102123107. The next prime is 102123137. The reversal of 102123134 is 431321201.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102123137) 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, 359447 + ... + 359730.

It is an arithmetic number, because the mean of its divisors is an integer number (19417806).

Almost surely, 2^102123134 is an apocalyptic number.

102123134 is a deficient number, since it is larger than the sum of its proper divisors (53219314).

102123134 is an equidigital number, since it uses as much as digits as its factorization.

102123134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719250.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 102123134 is about 10105.5991410703. The cubic root of 102123134 is about 467.4208111269.

Adding to 102123134 its reverse (431321201), we get a palindrome (533444335).

The spelling of 102123134 in words is "one hundred two million, one hundred twenty-three thousand, one hundred thirty-four".