1046040181 has 2 divisors, whose sum is σ = 1046040182. Its totient is φ = 1046040180.

The previous prime is 1046040173. The next prime is 1046040197. The reversal of 1046040181 is 1810406401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 816244900 + 229795281 = 28570^2 + 15159^2 .

It is a cyclic number.

It is not a de Polignac number, because 1046040181 - 2³ = 1046040173 is a prime.

It is a super-2 number, since 2×1046040181² = 2188400120533025522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1046040581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523020090 + 523020091.

It is an arithmetic number, because the mean of its divisors is an integer number (523020091).

Almost surely, 2^1046040181 is an apocalyptic number.

It is an amenable number.

1046040181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1046040181 is an equidigital number, since it uses as much as digits as its factorization.

1046040181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1046040181 is about 32342.5444422668. The cubic root of 1046040181 is about 1015.1170502494.

Adding to 1046040181 its reverse (1810406401), we get a palindrome (2856446582).

The spelling of 1046040181 in words is "one billion, forty-six million, forty thousand, one hundred eighty-one".