122613541 has 2 divisors, whose sum is σ = 122613542. Its totient is φ = 122613540.

The previous prime is 122613527. The next prime is 122613583. The reversal of 122613541 is 145316221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62489025 + 60124516 = 7905^2 + 7754^2 .

It is a cyclic number.

It is not a de Polignac number, because 122613541 - 2⁵ = 122613509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122613641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61306770 + 61306771.

It is an arithmetic number, because the mean of its divisors is an integer number (61306771).

Almost surely, 2^122613541 is an apocalyptic number.

It is an amenable number.

122613541 is a deficient number, since it is larger than the sum of its proper divisors (1).

122613541 is an equidigital number, since it uses as much as digits as its factorization.

122613541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 122613541 is about 11073.0998821468. The cubic root of 122613541 is about 496.7975875654.

Adding to 122613541 its reverse (145316221), we get a palindrome (267929762).

The spelling of 122613541 in words is "one hundred twenty-two million, six hundred thirteen thousand, five hundred forty-one".