1125154140 has 96 divisors (see below), whose sum is σ = 3471068160. Its totient is φ = 270048000.

The previous prime is 1125154133. The next prime is 1125154187. The reversal of 1125154140 is 414515211.

It is a super-3 number, since 3×1125154140³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1125154140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58221 + ... + 75099.

It is an arithmetic number, because the mean of its divisors is an integer number (36156960).

Almost surely, 2^1125154140 is an apocalyptic number.

1125154140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125154140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1735534080).

1125154140 is an abundant number, since it is smaller than the sum of its proper divisors (2345914020).

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

1125154140 is a wasteful number, since it uses less digits than its factorization.

1125154140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17003 (or 17001 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 1125154140 is about 33543.3173672492. The cubic root of 1125154140 is about 1040.0894092264.

Adding to 1125154140 its reverse (414515211), we get a palindrome (1539669351).

The spelling of 1125154140 in words is "one billion, one hundred twenty-five million, one hundred fifty-four thousand, one hundred forty".