102894012 has 72 divisors (see below), whose sum is σ = 286670384. Its totient is φ = 30917376.

The previous prime is 102893983. The next prime is 102894037. The reversal of 102894012 is 210498201.

It is a super-2 number, since 2×102894012² = 21174355410912288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17568 + ... + 22680.

Almost surely, 2^102894012 is an apocalyptic number.

102894012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102894012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143335192).

102894012 is an abundant number, since it is smaller than the sum of its proper divisors (183776372).

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

102894012 is a wasteful number, since it uses less digits than its factorization.

102894012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5179 (or 5174 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 102894012 is about 10143.6685671408. The cubic root of 102894012 is about 468.5939751658.

The spelling of 102894012 in words is "one hundred two million, eight hundred ninety-four thousand, twelve".