1125524840 has 32 divisors (see below), whose sum is σ = 2762652960. Its totient is φ = 409281600.

The previous prime is 1125524833. The next prime is 1125524909. The reversal of 1125524840 is 484255211.

It is a junction number, because it is equal to n+sod(n) for n = 1125524797 and 1125524806.

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, 1278566 + ... + 1279445.

It is an arithmetic number, because the mean of its divisors is an integer number (86332905).

Almost surely, 2^1125524840 is an apocalyptic number.

1125524840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125524840 is an abundant number, since it is smaller than the sum of its proper divisors (1637128120).

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

1125524840 is a wasteful number, since it uses less digits than its factorization.

1125524840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558033 (or 2558029 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 1125524840 is about 33548.8426029871. The cubic root of 1125524840 is about 1040.2036213730.

The spelling of 1125524840 in words is "one billion, one hundred twenty-five million, five hundred twenty-four thousand, eight hundred forty".