102033421 has 4 divisors (see below), whose sum is σ = 116609632. Its totient is φ = 87457212.

The previous prime is 102033413. The next prime is 102033443. The reversal of 102033421 is 124330201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102033421 - 2³ = 102033413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102033395 and 102033404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102033521) 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 3 ways as a sum of consecutive naturals, for example, 7288095 + ... + 7288108.

It is an arithmetic number, because the mean of its divisors is an integer number (29152408).

Almost surely, 2^102033421 is an apocalyptic number.

It is an amenable number.

102033421 is a deficient number, since it is larger than the sum of its proper divisors (14576211).

102033421 is an equidigital number, since it uses as much as digits as its factorization.

102033421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14576210.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 102033421 is about 10101.1593889019. The cubic root of 102033421 is about 467.2838979488.

Adding to 102033421 its reverse (124330201), we get a palindrome (226363622).

The spelling of 102033421 in words is "one hundred two million, thirty-three thousand, four hundred twenty-one".