103628999 has 2 divisors, whose sum is σ = 103629000. Its totient is φ = 103628998.

The previous prime is 103628989. The next prime is 103629013. The reversal of 103628999 is 999826301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103628999 - 2⁸ = 103628743 is a prime.

It is a super-3 number, since 3×103628999³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103628989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51814499 + 51814500.

It is an arithmetic number, because the mean of its divisors is an integer number (51814500).

Almost surely, 2^103628999 is an apocalyptic number.

103628999 is a deficient number, since it is larger than the sum of its proper divisors (1).

103628999 is an equidigital number, since it uses as much as digits as its factorization.

103628999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 103628999 is about 10179.8329554075. The cubic root of 103628999 is about 469.7070741501.

The spelling of 103628999 in words is "one hundred three million, six hundred twenty-eight thousand, nine hundred ninety-nine".