830102121 has 16 divisors (see below), whose sum is σ = 1232651520. Its totient is φ = 552109680.

The previous prime is 830102111. The next prime is 830102123. The reversal of 830102121 is 121201038.

It is not a de Polignac number, because 830102121 - 2⁹ = 830101609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 830102094 and 830102103.

It is not an unprimeable number, because it can be changed into a prime (830102123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24030 + ... + 47303.

It is an arithmetic number, because the mean of its divisors is an integer number (77040720).

Almost surely, 2^830102121 is an apocalyptic number.

It is an amenable number.

830102121 is a deficient number, since it is larger than the sum of its proper divisors (402549399).

830102121 is a wasteful number, since it uses less digits than its factorization.

830102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71773 (or 71767 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 830102121 is about 28811.4928630920. The cubic root of 830102121 is about 939.8181785799.

Adding to 830102121 its reverse (121201038), we get a palindrome (951303159).

The spelling of 830102121 in words is "eight hundred thirty million, one hundred two thousand, one hundred twenty-one".