1047591039 has 16 divisors (see below), whose sum is σ = 1533867264. Its totient is φ = 630696000.

The previous prime is 1047591031. The next prime is 1047591053. The reversal of 1047591039 is 9301957401.

It is a happy number.

It is not a de Polignac number, because 1047591039 - 2³ = 1047591031 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 1047590988 and 1047591006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047591031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100134 + ... + 110099.

It is an arithmetic number, because the mean of its divisors is an integer number (95866704).

Almost surely, 2^1047591039 is an apocalyptic number.

1047591039 is a deficient number, since it is larger than the sum of its proper divisors (486276225).

1047591039 is a wasteful number, since it uses less digits than its factorization.

1047591039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210398.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 1047591039 is about 32366.5110724032. The cubic root of 1047591039 is about 1015.6184729951.

The spelling of 1047591039 in words is "one billion, forty-seven million, five hundred ninety-one thousand, thirty-nine".