121413497 has 2 divisors, whose sum is σ = 121413498. Its totient is φ = 121413496.

The previous prime is 121413493. The next prime is 121413503. The reversal of 121413497 is 794314121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80209936 + 41203561 = 8956^2 + 6419^2 .

It is an emirp because it is prime and its reverse (794314121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121413497 - 2² = 121413493 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121413493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60706748 + 60706749.

It is an arithmetic number, because the mean of its divisors is an integer number (60706749).

Almost surely, 2^121413497 is an apocalyptic number.

It is an amenable number.

121413497 is a deficient number, since it is larger than the sum of its proper divisors (1).

121413497 is an equidigital number, since it uses as much as digits as its factorization.

121413497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 121413497 is about 11018.7792881063. The cubic root of 121413497 is about 495.1715176122.

The spelling of 121413497 in words is "one hundred twenty-one million, four hundred thirteen thousand, four hundred ninety-seven".