102414421 has 4 divisors (see below), whose sum is σ = 105718144. Its totient is φ = 99110700.

The previous prime is 102414413. The next prime is 102414437. The reversal of 102414421 is 124414201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 124414201 = 4139 ⋅30059.

It is a cyclic number.

It is not a de Polignac number, because 102414421 - 2³ = 102414413 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 (102414461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1651815 + ... + 1651876.

It is an arithmetic number, because the mean of its divisors is an integer number (26429536).

Almost surely, 2^102414421 is an apocalyptic number.

It is an amenable number.

102414421 is a deficient number, since it is larger than the sum of its proper divisors (3303723).

102414421 is an equidigital number, since it uses as much as digits as its factorization.

102414421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303722.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 102414421 is about 10120.0010375494. The cubic root of 102414421 is about 467.8647991976.

Adding to 102414421 its reverse (124414201), we get a palindrome (226828622).

The spelling of 102414421 in words is "one hundred two million, four hundred fourteen thousand, four hundred twenty-one".