102050404 has 9 divisors (see below), whose sum is σ = 178623571. Its totient is φ = 51015100.

The previous prime is 102050393. The next prime is 102050407. The reversal of 102050404 is 404050201.

The square root of 102050404 is 10102.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102050407) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 17679 + ... + 22729.

Almost surely, 2^102050404 is an apocalyptic number.

102050404 is the 10102-nd square number.

It is an amenable number.

102050404 is a deficient number, since it is larger than the sum of its proper divisors (76573167).

102050404 is an frugal number, since it uses more digits than its factorization.

102050404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10106 (or 5053 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The cubic root of 102050404 is about 467.3098222721.

Multiplying 102050404 by its sum of digits (16), we get a square (1632806464 = 40408²).

The spelling of 102050404 in words is "one hundred two million, fifty thousand, four hundred four".