102709854 has 48 divisors (see below), whose sum is σ = 246154272. Its totient is φ = 30746304.

The previous prime is 102709847. The next prime is 102709883. The reversal of 102709854 is 458907201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2727 + ... + 14589.

It is an arithmetic number, because the mean of its divisors is an integer number (5128214).

Almost surely, 2^102709854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102709854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123077136).

102709854 is an abundant number, since it is smaller than the sum of its proper divisors (143444418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102709854 is a wasteful number, since it uses less digits than its factorization.

102709854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11921 (or 11918 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 102709854 is about 10134.5870167462. The cubic root of 102709854 is about 468.3142476346.

The spelling of 102709854 in words is "one hundred two million, seven hundred nine thousand, eight hundred fifty-four".