102167129 has 4 divisors (see below), whose sum is σ = 102254820. Its totient is φ = 102079440.

The previous prime is 102167119. The next prime is 102167137. The reversal of 102167129 is 921761201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61653904 + 40513225 = 7852^2 + 6365^2 .

It is a cyclic number.

It is not a de Polignac number, because 102167129 - 2⁴ = 102167113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102167119) 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, 42074 + ... + 44435.

It is an arithmetic number, because the mean of its divisors is an integer number (25563705).

Almost surely, 2^102167129 is an apocalyptic number.

It is an amenable number.

102167129 is a deficient number, since it is larger than the sum of its proper divisors (87691).

102167129 is an equidigital number, since it uses as much as digits as its factorization.

102167129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87690.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 102167129 is about 10107.7756702452. The cubic root of 102167129 is about 467.4879236588.

The spelling of 102167129 in words is "one hundred two million, one hundred sixty-seven thousand, one hundred twenty-nine".