1350012121 has 2 divisors, whose sum is σ = 1350012122. Its totient is φ = 1350012120.

The previous prime is 1350012113. The next prime is 1350012127. The reversal of 1350012121 is 1212100531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1343955600 + 6056521 = 36660^2 + 2461^2 .

It is a cyclic number.

It is not a de Polignac number, because 1350012121 - 2³ = 1350012113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1350012095 and 1350012104.

It is not a weakly prime, because it can be changed into another prime (1350012127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675006060 + 675006061.

It is an arithmetic number, because the mean of its divisors is an integer number (675006061).

Almost surely, 2^1350012121 is an apocalyptic number.

It is an amenable number.

1350012121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350012121 is an equidigital number, since it uses as much as digits as its factorization.

1350012121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1350012121 is about 36742.5110872951. The cubic root of 1350012121 is about 1105.2127572967.

Adding to 1350012121 its reverse (1212100531), we get a palindrome (2562112652).

The spelling of 1350012121 in words is "one billion, three hundred fifty million, twelve thousand, one hundred twenty-one".