122471449 has 2 divisors, whose sum is σ = 122471450. Its totient is φ = 122471448.

The previous prime is 122471407. The next prime is 122471471. The reversal of 122471449 is 944174221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106750224 + 15721225 = 10332^2 + 3965^2 .

It is a cyclic number.

It is not a de Polignac number, because 122471449 - 2⁹ = 122470937 is a prime.

It is not a weakly prime, because it can be changed into another prime (122471149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61235724 + 61235725.

It is an arithmetic number, because the mean of its divisors is an integer number (61235725).

Almost surely, 2^122471449 is an apocalyptic number.

It is an amenable number.

122471449 is a deficient number, since it is larger than the sum of its proper divisors (1).

122471449 is an equidigital number, since it uses as much as digits as its factorization.

122471449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 122471449 is about 11066.6819327204. The cubic root of 122471449 is about 496.6056070056.

It can be divided in two parts, 12247 and 1449, that multiplied together give a triangular number (17745903 = T₅₉₅₇).

The spelling of 122471449 in words is "one hundred twenty-two million, four hundred seventy-one thousand, four hundred forty-nine".