1125011424 has 48 divisors (see below), whose sum is σ = 2957789520. Its totient is φ = 374415360.

The previous prime is 1125011387. The next prime is 1125011453. The reversal of 1125011424 is 4241105211.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1125011424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54592 + ... + 72320.

It is an arithmetic number, because the mean of its divisors is an integer number (61620615).

Almost surely, 2^1125011424 is an apocalyptic number.

It is an amenable number.

1125011424 is an abundant number, since it is smaller than the sum of its proper divisors (1832778096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125011424 is a wasteful number, since it uses less digits than its factorization.

1125011424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18403 (or 18395 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1125011424 is about 33541.1899610017. The cubic root of 1125011424 is about 1040.0454319403.

Adding to 1125011424 its reverse (4241105211), we get a palindrome (5366116635).

The spelling of 1125011424 in words is "one billion, one hundred twenty-five million, eleven thousand, four hundred twenty-four".