121262413 has 2 divisors, whose sum is σ = 121262414. Its totient is φ = 121262412.

The previous prime is 121262381. The next prime is 121262423. The reversal of 121262413 is 314262121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111788329 + 9474084 = 10573^2 + 3078^2 .

It is an emirp because it is prime and its reverse (314262121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121262413 - 2⁵ = 121262381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121262423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60631206 + 60631207.

It is an arithmetic number, because the mean of its divisors is an integer number (60631207).

Almost surely, 2^121262413 is an apocalyptic number.

It is an amenable number.

121262413 is a deficient number, since it is larger than the sum of its proper divisors (1).

121262413 is an equidigital number, since it uses as much as digits as its factorization.

121262413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

The square root of 121262413 is about 11011.9214036425. The cubic root of 121262413 is about 494.9660392305.

The spelling of 121262413 in words is "one hundred twenty-one million, two hundred sixty-two thousand, four hundred thirteen".