102003133 has 4 divisors (see below), whose sum is σ = 102048220. Its totient is φ = 101958048.

The previous prime is 102003127. The next prime is 102003149. The reversal of 102003133 is 331300201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331300201 = 127 ⋅2608663.

It can be written as a sum of positive squares in 2 ways, for example, as 18335524 + 83667609 = 4282^2 + 9147^2 .

It is a cyclic number.

It is not a de Polignac number, because 102003133 - 2¹⁷ = 101872061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102003173) 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, 18960 + ... + 23737.

It is an arithmetic number, because the mean of its divisors is an integer number (25512055).

Almost surely, 2^102003133 is an apocalyptic number.

It is an amenable number.

102003133 is a deficient number, since it is larger than the sum of its proper divisors (45087).

102003133 is an equidigital number, since it uses as much as digits as its factorization.

102003133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45086.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 102003133 is about 10099.6600437837. The cubic root of 102003133 is about 467.2376565793.

Adding to 102003133 its reverse (331300201), we get a palindrome (433303334).

The spelling of 102003133 in words is "one hundred two million, three thousand, one hundred thirty-three".