102023121 has 16 divisors (see below), whose sum is σ = 138646400. Its totient is φ = 66718080.

The previous prime is 102023087. The next prime is 102023143. The reversal of 102023121 is 121320201.

It is not a de Polignac number, because 102023121 - 2⁶ = 102023057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102023097 and 102023106.

It is not an unprimeable number, because it can be changed into a prime (102023021) 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, 42411 + ... + 44751.

It is an arithmetic number, because the mean of its divisors is an integer number (8665400).

Almost surely, 2^102023121 is an apocalyptic number.

It is an amenable number.

102023121 is a deficient number, since it is larger than the sum of its proper divisors (36623279).

102023121 is a wasteful number, since it uses less digits than its factorization.

102023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 102023121 is about 10100.6495335696. The cubic root of 102023121 is about 467.2681737346.

Adding to 102023121 its reverse (121320201), we get a palindrome (223343322).

The spelling of 102023121 in words is "one hundred two million, twenty-three thousand, one hundred twenty-one".