103202090 has 8 divisors (see below), whose sum is σ = 185763780. Its totient is φ = 41280832.

The previous prime is 103202063. The next prime is 103202093. The reversal of 103202090 is 90202301.

It can be written as a sum of positive squares in 2 ways, for example, as 89056969 + 14145121 = 9437^2 + 3761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (103202093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5160095 + ... + 5160114.

Almost surely, 2^103202090 is an apocalyptic number.

103202090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103202090 is a deficient number, since it is larger than the sum of its proper divisors (82561690).

103202090 is a wasteful number, since it uses less digits than its factorization.

103202090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10320216.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 103202090 is about 10158.8429459265. The cubic root of 103202090 is about 469.0611861986.

Adding to 103202090 its reverse (90202301), we get a palindrome (193404391).

The spelling of 103202090 in words is "one hundred three million, two hundred two thousand, ninety".