121123469 has 4 divisors (see below), whose sum is σ = 121209660. Its totient is φ = 121037280.

The previous prime is 121123439. The next prime is 121123489. The reversal of 121123469 is 964321121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22915369 + 98208100 = 4787^2 + 9910^2 .

It is a cyclic number.

It is not a de Polignac number, because 121123469 - 2¹⁶ = 121057933 is a prime.

It is a super-2 number, since 2×121123469² = 29341789485187922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121123439) 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, 40952 + ... + 43809.

It is an arithmetic number, because the mean of its divisors is an integer number (30302415).

Almost surely, 2^121123469 is an apocalyptic number.

It is an amenable number.

121123469 is a deficient number, since it is larger than the sum of its proper divisors (86191).

121123469 is an equidigital number, since it uses as much as digits as its factorization.

121123469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86190.

The product of its digits is 2592, while the sum is 29.

The square root of 121123469 is about 11005.6107963166. The cubic root of 121123469 is about 494.7769208735.

The spelling of 121123469 in words is "one hundred twenty-one million, one hundred twenty-three thousand, four hundred sixty-nine".