1047032081 has 4 divisors (see below), whose sum is σ = 1047296112. Its totient is φ = 1046768052.

The previous prime is 1047032029. The next prime is 1047032083. The reversal of 1047032081 is 1802307401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1802307401 = 83 ⋅21714547.

It is a cyclic number.

It is not a de Polignac number, because 1047032081 - 2⁶ = 1047032017 is a prime.

It is a super-2 number, since 2×1047032081² = 2192552357286381122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1047032081.

It is not an unprimeable number, because it can be changed into a prime (1047032083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125975 + ... + 134028.

It is an arithmetic number, because the mean of its divisors is an integer number (261824028).

Almost surely, 2^1047032081 is an apocalyptic number.

It is an amenable number.

1047032081 is a deficient number, since it is larger than the sum of its proper divisors (264031).

1047032081 is an equidigital number, since it uses as much as digits as its factorization.

1047032081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264030.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1047032081 is about 32357.8751001978. The cubic root of 1047032081 is about 1015.4378080073.

Adding to 1047032081 its reverse (1802307401), we get a palindrome (2849339482).

The spelling of 1047032081 in words is "one billion, forty-seven million, thirty-two thousand, eighty-one".