102669912 has 48 divisors (see below), whose sum is σ = 282789000. Its totient is φ = 33641856.

The previous prime is 102669877. The next prime is 102669913. The reversal of 102669912 is 219966201.

It is a super-4 number, since 4×102669912⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102669913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7837 + ... + 16332.

Almost surely, 2^102669912 is an apocalyptic number.

102669912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102669912 is an abundant number, since it is smaller than the sum of its proper divisors (180119088).

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

102669912 is a wasteful number, since it uses less digits than its factorization.

102669912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24240 (or 24233 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 102669912 is about 10132.6162465575. The cubic root of 102669912 is about 468.2535334570.

The spelling of 102669912 in words is "one hundred two million, six hundred sixty-nine thousand, nine hundred twelve".