1125004361 has 8 divisors (see below), whose sum is σ = 1237321344. Its totient is φ = 1016370000.

The previous prime is 1125004343. The next prime is 1125004379. The reversal of 1125004361 is 1634005211.

It is an interprime number because it is at equal distance from previous prime (1125004343) and next prime (1125004379).

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

It is a cyclic number.

It is not a de Polignac number, because 1125004361 - 2¹⁰ = 1125003337 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 (1125004561) 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, 920015 + ... + 921236.

It is an arithmetic number, because the mean of its divisors is an integer number (154665168).

Almost surely, 2^1125004361 is an apocalyptic number.

It is an amenable number.

1125004361 is a deficient number, since it is larger than the sum of its proper divisors (112316983).

1125004361 is a wasteful number, since it uses less digits than its factorization.

1125004361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841311.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1125004361 is about 33541.0846723835. The cubic root of 1125004361 is about 1040.0432554124.

Adding to 1125004361 its reverse (1634005211), we get a palindrome (2759009572).

The spelling of 1125004361 in words is "one billion, one hundred twenty-five million, four thousand, three hundred sixty-one".