102120134 has 8 divisors (see below), whose sum is σ = 154536120. Its totient is φ = 50608096.

The previous prime is 102120131. The next prime is 102120167. The reversal of 102120134 is 431021201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102120131) 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 3 ways as a sum of consecutive naturals, for example, 225704 + ... + 226155.

It is an arithmetic number, because the mean of its divisors is an integer number (19317015).

Almost surely, 2^102120134 is an apocalyptic number.

102120134 is a deficient number, since it is larger than the sum of its proper divisors (52415986).

102120134 is a wasteful number, since it uses less digits than its factorization.

102120134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451974.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 102120134 is about 10105.4507074153. The cubic root of 102120134 is about 467.4162340505.

Adding to 102120134 its reverse (431021201), we get a palindrome (533141335).

The spelling of 102120134 in words is "one hundred two million, one hundred twenty thousand, one hundred thirty-four".