101023121 has 8 divisors (see below), whose sum is σ = 102473280. Its totient is φ = 99582192.

The previous prime is 101023081. The next prime is 101023123. The reversal of 101023121 is 121320101.

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 101023121 - 2¹⁸ = 100760977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101023123) 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, 21446 + ... + 25728.

It is an arithmetic number, because the mean of its divisors is an integer number (12809160).

Almost surely, 2^101023121 is an apocalyptic number.

It is an amenable number.

101023121 is a deficient number, since it is larger than the sum of its proper divisors (1450159).

101023121 is a wasteful number, since it uses less digits than its factorization.

101023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 101023121 is about 10051.0258680395. The cubic root of 101023121 is about 465.7364842792.

Adding to 101023121 its reverse (121320101), we get a palindrome (222343222).

The spelling of 101023121 in words is "one hundred one million, twenty-three thousand, one hundred twenty-one".