1046661247 has 2 divisors, whose sum is σ = 1046661248. Its totient is φ = 1046661246.

The previous prime is 1046661233. The next prime is 1046661289. The reversal of 1046661247 is 7421666401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1046661247 - 2¹¹ = 1046659199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1046661347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523330623 + 523330624.

It is an arithmetic number, because the mean of its divisors is an integer number (523330624).

Almost surely, 2^1046661247 is an apocalyptic number.

1046661247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1046661247 is an equidigital number, since it uses as much as digits as its factorization.

1046661247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1046661247 is about 32352.1443956966. The cubic root of 1046661247 is about 1015.3179124996.

The spelling of 1046661247 in words is "one billion, forty-six million, six hundred sixty-one thousand, two hundred forty-seven".