1047431834 has 4 divisors (see below), whose sum is σ = 1571147754. Its totient is φ = 523715916.

The previous prime is 1047431821. The next prime is 1047431843. The reversal of 1047431834 is 4381347401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 989291209 + 58140625 = 31453^2 + 7625^2 .

It is a super-2 number, since 2×1047431834² = 2194226893753207112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1047431794 and 1047431803.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 261857957 + ... + 261857960.

Almost surely, 2^1047431834 is an apocalyptic number.

1047431834 is a deficient number, since it is larger than the sum of its proper divisors (523715920).

1047431834 is an equidigital number, since it uses as much as digits as its factorization.

1047431834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523715919.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 1047431834 is about 32364.0515696042. The cubic root of 1047431834 is about 1015.5670217052.

The spelling of 1047431834 in words is "one billion, forty-seven million, four hundred thirty-one thousand, eight hundred thirty-four".