1047378903 has 8 divisors (see below), whose sum is σ = 1402604400. Its totient is φ = 695203008.

The previous prime is 1047378883. The next prime is 1047378947. The reversal of 1047378903 is 3098737401.

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

It is not a de Polignac number, because 1047378903 - 2¹⁰ = 1047377879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047378953) 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, 761598 + ... + 762971.

It is an arithmetic number, because the mean of its divisors is an integer number (175325550).

Almost surely, 2^1047378903 is an apocalyptic number.

1047378903 is a deficient number, since it is larger than the sum of its proper divisors (355225497).

1047378903 is a wasteful number, since it uses less digits than its factorization.

1047378903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524801.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 1047378903 is about 32363.2338155506. The cubic root of 1047378903 is about 1015.5499145033.

The spelling of 1047378903 in words is "one billion, forty-seven million, three hundred seventy-eight thousand, nine hundred three".