102940443 has 16 divisors (see below), whose sum is σ = 152660640. Its totient is φ = 68556672.

The previous prime is 102940441. The next prime is 102940447. The reversal of 102940443 is 344049201.

It is not a de Polignac number, because 102940443 - 2¹ = 102940441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (102940441) 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, 50655 + ... + 52647.

It is an arithmetic number, because the mean of its divisors is an integer number (9541290).

Almost surely, 2^102940443 is an apocalyptic number.

102940443 is a deficient number, since it is larger than the sum of its proper divisors (49720197).

102940443 is a wasteful number, since it uses less digits than its factorization.

102940443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3915 (or 3909 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 102940443 is about 10145.9569780282. The cubic root of 102940443 is about 468.6644490271.

Adding to 102940443 its reverse (344049201), we get a palindrome (446989644).

The spelling of 102940443 in words is "one hundred two million, nine hundred forty thousand, four hundred forty-three".