121253417 has 2 divisors, whose sum is σ = 121253418. Its totient is φ = 121253416.

The previous prime is 121253411. The next prime is 121253443. The reversal of 121253417 is 714352121.

It is an a-pointer prime, because the next prime (121253443) can be obtained adding 121253417 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72658576 + 48594841 = 8524^2 + 6971^2 .

It is a cyclic number.

It is not a de Polignac number, because 121253417 - 2¹⁴ = 121237033 is a prime.

It is a super-2 number, since 2×121253417² = 29404782268351778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121253411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60626708 + 60626709.

It is an arithmetic number, because the mean of its divisors is an integer number (60626709).

Almost surely, 2^121253417 is an apocalyptic number.

It is an amenable number.

121253417 is a deficient number, since it is larger than the sum of its proper divisors (1).

121253417 is an equidigital number, since it uses as much as digits as its factorization.

121253417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 26.

The square root of 121253417 is about 11011.5129296569. The cubic root of 121253417 is about 494.9537990414.

The spelling of 121253417 in words is "one hundred twenty-one million, two hundred fifty-three thousand, four hundred seventeen".