1125430401 has 8 divisors (see below), whose sum is σ = 1579551520. Its totient is φ = 710798112.

The previous prime is 1125430381. The next prime is 1125430409. The reversal of 1125430401 is 1040345211.

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

It is not a de Polignac number, because 1125430401 - 2⁶ = 1125430337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125430409) 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, 9872140 + ... + 9872253.

It is an arithmetic number, because the mean of its divisors is an integer number (197443940).

Almost surely, 2^1125430401 is an apocalyptic number.

It is an amenable number.

1125430401 is a deficient number, since it is larger than the sum of its proper divisors (454121119).

1125430401 is a wasteful number, since it uses less digits than its factorization.

1125430401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19744415.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1125430401 is about 33547.4350882448. The cubic root of 1125430401 is about 1040.1745272313.

Adding to 1125430401 its reverse (1040345211), we get a palindrome (2165775612).

The spelling of 1125430401 in words is "one billion, one hundred twenty-five million, four hundred thirty thousand, four hundred one".