121426141 has 2 divisors, whose sum is σ = 121426142. Its totient is φ = 121426140.

The previous prime is 121426073. The next prime is 121426147. The reversal of 121426141 is 141624121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111218116 + 10208025 = 10546^2 + 3195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121426141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121426147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60713070 + 60713071.

It is an arithmetic number, because the mean of its divisors is an integer number (60713071).

Almost surely, 2^121426141 is an apocalyptic number.

It is an amenable number.

121426141 is a deficient number, since it is larger than the sum of its proper divisors (1).

121426141 is an equidigital number, since it uses as much as digits as its factorization.

121426141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 22.

The square root of 121426141 is about 11019.3530209355. The cubic root of 121426141 is about 495.1887060674.

The spelling of 121426141 in words is "one hundred twenty-one million, four hundred twenty-six thousand, one hundred forty-one".