1364436121 has 2 divisors, whose sum is σ = 1364436122. Its totient is φ = 1364436120.

The previous prime is 1364436119. The next prime is 1364436131. The reversal of 1364436121 is 1216344631.

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., 1336926096 + 27510025 = 36564^2 + 5245^2 .

It is a cyclic number.

It is not a de Polignac number, because 1364436121 - 2¹ = 1364436119 is a prime.

Together with 1364436119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1364436131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682218060 + 682218061.

It is an arithmetic number, because the mean of its divisors is an integer number (682218061).

Almost surely, 2^1364436121 is an apocalyptic number.

It is an amenable number.

1364436121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1364436121 is an equidigital number, since it uses as much as digits as its factorization.

1364436121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 1364436121 is about 36938.2744724222. The cubic root of 1364436121 is about 1109.1349809128.

The spelling of 1364436121 in words is "one billion, three hundred sixty-four million, four hundred thirty-six thousand, one hundred twenty-one".