102943000 has 64 divisors (see below), whose sum is σ = 243285120. Its totient is φ = 40768000.

The previous prime is 102942997. The next prime is 102943003. The reversal of 102943000 is 349201.

It is an interprime number because it is at equal distance from previous prime (102942997) and next prime (102943003).

It is a super-2 number, since 2×102943000² = 21194522498000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102943003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112545 + ... + 113455.

It is an arithmetic number, because the mean of its divisors is an integer number (3801330).

Almost surely, 2^102943000 is an apocalyptic number.

102943000 is a gapful number since it is divisible by the number (10) 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 102943000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121642560).

102943000 is an abundant number, since it is smaller than the sum of its proper divisors (140342120).

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

102943000 is a wasteful number, since it uses less digits than its factorization.

102943000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045 (or 1031 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 102943000 is about 10146.0829880304. The cubic root of 102943000 is about 468.6683294750.

The spelling of 102943000 in words is "one hundred two million, nine hundred forty-three thousand".