7122004635401 has 2 divisors, whose sum is σ = 7122004635402. Its totient is φ = 7122004635400.

The previous prime is 7122004635359. The next prime is 7122004635409. The reversal of 7122004635401 is 1045364002217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4629916172176 + 2492088463225 = 2151724^2 + 1578635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7122004635401 is a prime.

It is not a weakly prime, because it can be changed into another prime (7122004635409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3561002317700 + 3561002317701.

It is an arithmetic number, because the mean of its divisors is an integer number (3561002317701).

Almost surely, 2^{7122004635401} is an apocalyptic number.

It is an amenable number.

7122004635401 is a deficient number, since it is larger than the sum of its proper divisors (1).

7122004635401 is an equidigital number, since it uses as much as digits as its factorization.

7122004635401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 7122004635401 its reverse (1045364002217), we get a palindrome (8167368637618).

The spelling of 7122004635401 in words is "seven trillion, one hundred twenty-two billion, four million, six hundred thirty-five thousand, four hundred one".