1362736121 has 2 divisors, whose sum is σ = 1362736122. Its totient is φ = 1362736120.

The previous prime is 1362736117. The next prime is 1362736127. The reversal of 1362736121 is 1216372631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1350930025 + 11806096 = 36755^2 + 3436^2 .

It is a cyclic number.

It is not a de Polignac number, because 1362736121 - 2² = 1362736117 is a prime.

It is not a weakly prime, because it can be changed into another prime (1362736127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681368060 + 681368061.

It is an arithmetic number, because the mean of its divisors is an integer number (681368061).

Almost surely, 2^1362736121 is an apocalyptic number.

It is an amenable number.

1362736121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1362736121 is an equidigital number, since it uses as much as digits as its factorization.

1362736121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 1362736121 is about 36915.2559384328. The cubic root of 1362736121 is about 1108.6741524275.

The spelling of 1362736121 in words is "one billion, three hundred sixty-two million, seven hundred thirty-six thousand, one hundred twenty-one".