1047790261 has 8 divisors (see below), whose sum is σ = 1209331584. Its totient is φ = 889213200.

The previous prime is 1047790199. The next prime is 1047790267. The reversal of 1047790261 is 1620977401.

1047790261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1047790261 - 2²³ = 1039401653 is a prime.

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 1047790261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047790267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740305 + ... + 741718.

It is an arithmetic number, because the mean of its divisors is an integer number (151166448).

Almost surely, 2^1047790261 is an apocalyptic number.

It is an amenable number.

1047790261 is a deficient number, since it is larger than the sum of its proper divisors (161541323).

1047790261 is a wasteful number, since it uses less digits than its factorization.

1047790261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482131.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 1047790261 is about 32369.5885207088. The cubic root of 1047790261 is about 1015.6828494903.

The spelling of 1047790261 in words is "one billion, forty-seven million, seven hundred ninety thousand, two hundred sixty-one".