1047612449 has 4 divisors (see below), whose sum is σ = 1128198036. Its totient is φ = 967026864.

The previous prime is 1047612439. The next prime is 1047612451. The reversal of 1047612449 is 9442167401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 78411025 + 969201424 = 8855^2 + 31132^2 .

It is a cyclic number.

It is not a de Polignac number, because 1047612449 - 2²⁴ = 1030835233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1047612439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40292774 + ... + 40292799.

It is an arithmetic number, because the mean of its divisors is an integer number (282049509).

Almost surely, 2^1047612449 is an apocalyptic number.

It is an amenable number.

1047612449 is a deficient number, since it is larger than the sum of its proper divisors (80585587).

1047612449 is an equidigital number, since it uses as much as digits as its factorization.

1047612449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80585586.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 1047612449 is about 32366.8418138069. The cubic root of 1047612449 is about 1015.6253918029.

The spelling of 1047612449 in words is "one billion, forty-seven million, six hundred twelve thousand, four hundred forty-nine".