1047491 has 2 divisors, whose sum is σ = 1047492. Its totient is φ = 1047490.

The previous prime is 1047479. The next prime is 1047499. The reversal of 1047491 is 1947401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1047491 - 2¹⁸ = 785347 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1047491.

It is not a weakly prime, because it can be changed into another prime (1047499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523745 + 523746.

It is an arithmetic number, because the mean of its divisors is an integer number (523746).

2^1047491 is an apocalyptic number.

1047491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047491 is an equidigital number, since it uses as much as digits as its factorization.

1047491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1047491 is about 1023.4700777258. The cubic root of 1047491 is about 101.5586143365.

The spelling of 1047491 in words is "one million, forty-seven thousand, four hundred ninety-one".