1215054041 has 2 divisors, whose sum is σ = 1215054042. Its totient is φ = 1215054040.

The previous prime is 1215054013. The next prime is 1215054067. The reversal of 1215054041 is 1404505121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1191975625 + 23078416 = 34525^2 + 4804^2 .

It is a cyclic number.

It is not a de Polignac number, because 1215054041 - 2¹⁰ = 1215053017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1215053998 and 1215054016.

It is not a weakly prime, because it can be changed into another prime (1215054941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607527020 + 607527021.

It is an arithmetic number, because the mean of its divisors is an integer number (607527021).

Almost surely, 2^1215054041 is an apocalyptic number.

It is an amenable number.

1215054041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1215054041 is an equidigital number, since it uses as much as digits as its factorization.

1215054041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1215054041 is about 34857.6252920362. The cubic root of 1215054041 is about 1067.0838115298.

Adding to 1215054041 its reverse (1404505121), we get a palindrome (2619559162).

The spelling of 1215054041 in words is "one billion, two hundred fifteen million, fifty-four thousand, forty-one".