1047181061 has 4 divisors (see below), whose sum is σ = 1047810912. Its totient is φ = 1046551212.

The previous prime is 1047181033. The next prime is 1047181133. The reversal of 1047181061 is 1601817401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1047181061 - 2⁶ = 1047180997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047181001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312425 + ... + 315758.

It is an arithmetic number, because the mean of its divisors is an integer number (261952728).

Almost surely, 2^1047181061 is an apocalyptic number.

It is an amenable number.

1047181061 is a deficient number, since it is larger than the sum of its proper divisors (629851).

1047181061 is an equidigital number, since it uses as much as digits as its factorization.

1047181061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629850.

The product of its (nonzero) digits is 1344, while the sum is 29.

The square root of 1047181061 is about 32360.1770854240. The cubic root of 1047181061 is about 1015.4859672290.

Adding to 1047181061 its reverse (1601817401), we get a palindrome (2648998462).

The spelling of 1047181061 in words is "one billion, forty-seven million, one hundred eighty-one thousand, sixty-one".