102084078 has 16 divisors (see below), whose sum is σ = 205062480. Its totient is φ = 33878976.

The previous prime is 102084071. The next prime is 102084079. The reversal of 102084078 is 870480201.

It is a super-2 number, since 2×102084078² = 20842317962220168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102084071) 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, 35775 + ... + 38522.

It is an arithmetic number, because the mean of its divisors is an integer number (12816405).

Almost surely, 2^102084078 is an apocalyptic number.

102084078 is an abundant number, since it is smaller than the sum of its proper divisors (102978402).

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

102084078 is a wasteful number, since it uses less digits than its factorization.

102084078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74531.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 102084078 is about 10103.6665621941. Note that the first 3 decimals coincide. The cubic root of 102084078 is about 467.3612166805.

The spelling of 102084078 in words is "one hundred two million, eighty-four thousand, seventy-eight".