102421141 has 8 divisors (see below), whose sum is σ = 110968704. Its totient is φ = 94153920.

The previous prime is 102421133. The next prime is 102421159. The reversal of 102421141 is 141124201.

It is a happy number.

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 102421141 - 2³ = 102421133 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 (102428141) 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 7 ways as a sum of consecutive naturals, for example, 69325 + ... + 70786.

It is an arithmetic number, because the mean of its divisors is an integer number (13871088).

Almost surely, 2^102421141 is an apocalyptic number.

It is an amenable number.

102421141 is a deficient number, since it is larger than the sum of its proper divisors (8547563).

102421141 is a wasteful number, since it uses less digits than its factorization.

102421141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140171.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 102421141 is about 10120.3330478794. Note that the first 3 decimals coincide. The cubic root of 102421141 is about 467.8750320752.

Adding to 102421141 its reverse (141124201), we get a palindrome (243545342).

The spelling of 102421141 in words is "one hundred two million, four hundred twenty-one thousand, one hundred forty-one".