1040515121 has 2 divisors, whose sum is σ = 1040515122. Its totient is φ = 1040515120.

The previous prime is 1040515103. The next prime is 1040515139. The reversal of 1040515121 is 1215150401.

It is a balanced prime because it is at equal distance from previous prime (1040515103) and next prime (1040515139).

It can be written as a sum of positive squares in only one way, i.e., 1021505521 + 19009600 = 31961^2 + 4360^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040515121 - 2⁶ = 1040515057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1040515093 and 1040515102.

It is not a weakly prime, because it can be changed into another prime (1040595121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520257560 + 520257561.

It is an arithmetic number, because the mean of its divisors is an integer number (520257561).

Almost surely, 2^1040515121 is an apocalyptic number.

It is an amenable number.

1040515121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040515121 is an equidigital number, since it uses as much as digits as its factorization.

1040515121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1040515121 is about 32257.0166165441. The cubic root of 1040515121 is about 1013.3266517502.

Adding to 1040515121 its reverse (1215150401), we get a palindrome (2255665522).

The spelling of 1040515121 in words is "one billion, forty million, five hundred fifteen thousand, one hundred twenty-one".