121497361 has 2 divisors, whose sum is σ = 121497362. Its totient is φ = 121497360.

The previous prime is 121497349. The next prime is 121497367. The reversal of 121497361 is 163794121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107246736 + 14250625 = 10356^2 + 3775^2 .

It is a cyclic number.

It is not a de Polignac number, because 121497361 - 2¹⁵ = 121464593 is a prime.

It is not a weakly prime, because it can be changed into another prime (121497367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60748680 + 60748681.

It is an arithmetic number, because the mean of its divisors is an integer number (60748681).

Almost surely, 2^121497361 is an apocalyptic number.

It is an amenable number.

121497361 is a deficient number, since it is larger than the sum of its proper divisors (1).

121497361 is an equidigital number, since it uses as much as digits as its factorization.

121497361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 34.

The square root of 121497361 is about 11022.5841344033. The cubic root of 121497361 is about 495.2855013881.

The spelling of 121497361 in words is "one hundred twenty-one million, four hundred ninety-seven thousand, three hundred sixty-one".