103133021 has 8 divisors (see below), whose sum is σ = 104032320. Its totient is φ = 102237408.

The previous prime is 103132987. The next prime is 103133027. The reversal of 103133021 is 120331301.

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

It is a cyclic number.

It is not a de Polignac number, because 103133021 - 2¹⁰ = 103131997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103132987 and 103133005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103133027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90785 + ... + 91913.

It is an arithmetic number, because the mean of its divisors is an integer number (13004040).

Almost surely, 2^103133021 is an apocalyptic number.

It is an amenable number.

103133021 is a deficient number, since it is larger than the sum of its proper divisors (899299).

103133021 is a wasteful number, since it uses less digits than its factorization.

103133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 103133021 is about 10155.4429248556. The cubic root of 103133021 is about 468.9565215960.

Adding to 103133021 its reverse (120331301), we get a palindrome (223464322).

The spelling of 103133021 in words is "one hundred three million, one hundred thirty-three thousand, twenty-one".