102129214 has 32 divisors (see below), whose sum is σ = 174721536. Its totient is φ = 44358720.

The previous prime is 102129197. The next prime is 102129229. The reversal of 102129214 is 412921201.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43314 + ... + 45610.

It is an arithmetic number, because the mean of its divisors is an integer number (5460048).

Almost surely, 2^102129214 is an apocalyptic number.

102129214 is a deficient number, since it is larger than the sum of its proper divisors (72592322).

102129214 is a wasteful number, since it uses less digits than its factorization.

102129214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 102129214 is about 10105.8999599244. The cubic root of 102129214 is about 467.4300870602.

The spelling of 102129214 in words is "one hundred two million, one hundred twenty-nine thousand, two hundred fourteen".