122404361501 has 2 divisors, whose sum is σ = 122404361502. Its totient is φ = 122404361500.

The previous prime is 122404361341. The next prime is 122404361531. The reversal of 122404361501 is 105163404221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121278759001 + 1125602500 = 348251^2 + 33550^2 .

It is a cyclic number.

It is not a de Polignac number, because 122404361501 - 2¹⁴ = 122404345117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122404361531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61202180750 + 61202180751.

It is an arithmetic number, because the mean of its divisors is an integer number (61202180751).

Almost surely, 2^122404361501 is an apocalyptic number.

It is an amenable number.

122404361501 is a deficient number, since it is larger than the sum of its proper divisors (1).

122404361501 is an equidigital number, since it uses as much as digits as its factorization.

122404361501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 122404361501 its reverse (105163404221), we get a palindrome (227567765722).

The spelling of 122404361501 in words is "one hundred twenty-two billion, four hundred four million, three hundred sixty-one thousand, five hundred one".