121411123 has 2 divisors, whose sum is σ = 121411124. Its totient is φ = 121411122.

The previous prime is 121411109. The next prime is 121411133. The reversal of 121411123 is 321114121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121411123 - 2⁵ = 121411091 is a prime.

It is a super-2 number, since 2×121411123² = 29481321576242258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121411097 and 121411106.

It is not a weakly prime, because it can be changed into another prime (121411133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60705561 + 60705562.

It is an arithmetic number, because the mean of its divisors is an integer number (60705562).

Almost surely, 2^121411123 is an apocalyptic number.

121411123 is a deficient number, since it is larger than the sum of its proper divisors (1).

121411123 is an equidigital number, since it uses as much as digits as its factorization.

121411123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48, while the sum is 16.

The square root of 121411123 is about 11018.6715623981. The cubic root of 121411123 is about 495.1682902257.

Adding to 121411123 its reverse (321114121), we get a palindrome (442525244).

The spelling of 121411123 in words is "one hundred twenty-one million, four hundred eleven thousand, one hundred twenty-three".