1039824961 has 4 divisors (see below), whose sum is σ = 1188371392. Its totient is φ = 891278532.

The previous prime is 1039824943. The next prime is 1039825019. The reversal of 1039824961 is 1694289301.

It is a happy number.

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: 1694289301 = 29 ⋅58423769.

It is a cyclic number.

It is not a de Polignac number, because 1039824961 - 2⁷ = 1039824833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1039824901) 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, 74273205 + ... + 74273218.

It is an arithmetic number, because the mean of its divisors is an integer number (297092848).

Almost surely, 2^1039824961 is an apocalyptic number.

It is an amenable number.

1039824961 is a deficient number, since it is larger than the sum of its proper divisors (148546431).

1039824961 is an equidigital number, since it uses as much as digits as its factorization.

1039824961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148546430.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 1039824961 is about 32246.3170145057. The cubic root of 1039824961 is about 1013.1025601153.

The spelling of 1039824961 in words is "one billion, thirty-nine million, eight hundred twenty-four thousand, nine hundred sixty-one".