1125000451 has 8 divisors (see below), whose sum is σ = 1166924880. Its totient is φ = 1083284832.

The previous prime is 1125000397. The next prime is 1125000463. The reversal of 1125000451 is 1540005211.

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 1125000451 - 2¹¹ = 1124998403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125070451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41185 + ... + 62818.

It is an arithmetic number, because the mean of its divisors is an integer number (145865610).

Almost surely, 2^1125000451 is an apocalyptic number.

1125000451 is a deficient number, since it is larger than the sum of its proper divisors (41924429).

1125000451 is a wasteful number, since it uses less digits than its factorization.

1125000451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104405.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1125000451 is about 33541.0263856072. The cubic root of 1125000451 is about 1040.0420505063.

Adding to 1125000451 its reverse (1540005211), we get a palindrome (2665005662).

The spelling of 1125000451 in words is "one billion, one hundred twenty-five million, four hundred fifty-one", and thus it is an aban number.