1147041425 has 12 divisors (see below), whose sum is σ = 1505998476. Its totient is φ = 863654400.

The previous prime is 1147041421. The next prime is 1147041463. The reversal of 1147041425 is 5241407411.

It is a happy number.

It is a Cunningham number, because it is equal to 33868²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 89946256 + 1057095169 = 9484^2 + 32513^2 .

It is not a de Polignac number, because 1147041425 - 2² = 1147041421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1147041421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1349036 + ... + 1349885.

It is an arithmetic number, because the mean of its divisors is an integer number (125499873).

Almost surely, 2^1147041425 is an apocalyptic number.

It is an amenable number.

1147041425 is a deficient number, since it is larger than the sum of its proper divisors (358957051).

1147041425 is a wasteful number, since it uses less digits than its factorization.

1147041425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698948 (or 2698943 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 1147041425 is about 33868.0000147632. Note that the first 4 decimals coincide. The cubic root of 1147041425 is about 1046.7903270642.

Adding to 1147041425 its reverse (5241407411), we get a palindrome (6388448836).

The spelling of 1147041425 in words is "one billion, one hundred forty-seven million, forty-one thousand, four hundred twenty-five".