1125684340 has 48 divisors (see below), whose sum is σ = 2581274304. Its totient is φ = 408953600.

The previous prime is 1125684269. The next prime is 1125684383. The reversal of 1125684340 is 434865211.

It is a junction number, because it is equal to n+sod(n) for n = 1125684296 and 1125684305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343992 + ... + 347248.

It is an arithmetic number, because the mean of its divisors is an integer number (53776548).

Almost surely, 2^1125684340 is an apocalyptic number.

1125684340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125684340 is an abundant number, since it is smaller than the sum of its proper divisors (1455589964).

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

1125684340 is a wasteful number, since it uses less digits than its factorization.

1125684340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4848 (or 4846 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 1125684340 is about 33551.2196499621. The cubic root of 1125684340 is about 1040.2527553815.

The spelling of 1125684340 in words is "one billion, one hundred twenty-five million, six hundred eighty-four thousand, three hundred forty".