1125454140 has 144 divisors (see below), whose sum is σ = 3500279328. Its totient is φ = 292626432.

The previous prime is 1125454097. The next prime is 1125454177. The reversal of 1125454140 is 414545211.

1125454140 is a `hidden beast` number, since 112 + 5 + 4 + 541 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1274139 + ... + 1275021.

Almost surely, 2^1125454140 is an apocalyptic number.

1125454140 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 1125454140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1750139664).

1125454140 is an abundant number, since it is smaller than the sum of its proper divisors (2374825188).

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

1125454140 is a wasteful number, since it uses less digits than its factorization.

1125454140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 1125454140 is about 33547.7888988231. The cubic root of 1125454140 is about 1040.1818407384.

Adding to 1125454140 its reverse (414545211), we get a palindrome (1539999351).

The spelling of 1125454140 in words is "one billion, one hundred twenty-five million, four hundred fifty-four thousand, one hundred forty".