121124423 has 6 divisors (see below), whose sum is σ = 140899896. Its totient is φ = 103820892.

The previous prime is 121124363. The next prime is 121124441. The reversal of 121124423 is 324421121.

It is not a de Polignac number, because 121124423 - 2¹⁰ = 121123399 is a prime.

It is a super-2 number, since 2×121124423² = 29342251694165858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121124395 and 121124404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121124023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1235915 + ... + 1236012.

It is an arithmetic number, because the mean of its divisors is an integer number (23483316).

Almost surely, 2^121124423 is an apocalyptic number.

121124423 is a deficient number, since it is larger than the sum of its proper divisors (19775473).

121124423 is an equidigital number, since it uses as much as digits as its factorization.

121124423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471941 (or 2471934 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 121124423 is about 11005.6541377603. The cubic root of 121124423 is about 494.7782198674.

Adding to 121124423 its reverse (324421121), we get a palindrome (445545544).

The spelling of 121124423 in words is "one hundred twenty-one million, one hundred twenty-four thousand, four hundred twenty-three".