4121356501 has 2 divisors, whose sum is σ = 4121356502. Its totient is φ = 4121356500.

The previous prime is 4121356493. The next prime is 4121356507. The reversal of 4121356501 is 1056531214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3157316100 + 964040401 = 56190^2 + 31049^2 .

It is a cyclic number.

It is not a de Polignac number, because 4121356501 - 2³ = 4121356493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4121356501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4121356507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060678250 + 2060678251.

It is an arithmetic number, because the mean of its divisors is an integer number (2060678251).

Almost surely, 2^4121356501 is an apocalyptic number.

It is an amenable number.

4121356501 is a deficient number, since it is larger than the sum of its proper divisors (1).

4121356501 is an equidigital number, since it uses as much as digits as its factorization.

4121356501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 4121356501 is about 64197.7920258945. The cubic root of 4121356501 is about 1603.2948381032.

Adding to 4121356501 its reverse (1056531214), we get a palindrome (5177887715).

The spelling of 4121356501 in words is "four billion, one hundred twenty-one million, three hundred fifty-six thousand, five hundred one".