102129361 has 8 divisors (see below), whose sum is σ = 109450944. Its totient is φ = 95047920.

The previous prime is 102129359. The next prime is 102129371. The reversal of 102129361 is 163921201.

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

It is a cyclic number.

It is not a de Polignac number, because 102129361 - 2¹ = 102129359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102129301) 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, 59155 + ... + 60856.

It is an arithmetic number, because the mean of its divisors is an integer number (13681368).

Almost surely, 2^102129361 is an apocalyptic number.

It is an amenable number.

102129361 is a deficient number, since it is larger than the sum of its proper divisors (7321583).

102129361 is a wasteful number, since it uses less digits than its factorization.

102129361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120071.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 102129361 is about 10105.9072329010. The cubic root of 102129361 is about 467.4303113258.

The spelling of 102129361 in words is "one hundred two million, one hundred twenty-nine thousand, three hundred sixty-one".