121425377 has 2 divisors, whose sum is σ = 121425378. Its totient is φ = 121425376.

The previous prime is 121425347. The next prime is 121425389. The reversal of 121425377 is 773524121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85951441 + 35473936 = 9271^2 + 5956^2 .

It is a cyclic number.

It is not a de Polignac number, because 121425377 - 2⁸ = 121425121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121425307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60712688 + 60712689.

It is an arithmetic number, because the mean of its divisors is an integer number (60712689).

Almost surely, 2^121425377 is an apocalyptic number.

It is an amenable number.

121425377 is a deficient number, since it is larger than the sum of its proper divisors (1).

121425377 is an equidigital number, since it uses as much as digits as its factorization.

121425377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 32.

The square root of 121425377 is about 11019.3183545989. The cubic root of 121425377 is about 495.1876675074.

Adding to 121425377 its reverse (773524121), we get a palindrome (894949498).

The spelling of 121425377 in words is "one hundred twenty-one million, four hundred twenty-five thousand, three hundred seventy-seven".