1047146 has 4 divisors (see below), whose sum is σ = 1570722. Its totient is φ = 523572.

The previous prime is 1047139. The next prime is 1047157. The reversal of 1047146 is 6417401.

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., 990025 + 57121 = 995^2 + 239^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261785 + ... + 261788.

2^1047146 is an apocalyptic number.

1047146 is a deficient number, since it is larger than the sum of its proper divisors (523576).

1047146 is an equidigital number, since it uses as much as digits as its factorization.

1047146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523575.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1047146 is about 1023.3015195923. The cubic root of 1047146 is about 101.5474633834.

The spelling of 1047146 in words is "one million, forty-seven thousand, one hundred forty-six".