1125362040 has 128 divisors (see below), whose sum is σ = 3699820800. Its totient is φ = 271569920.

The previous prime is 1125362033. The next prime is 1125362041. The reversal of 1125362040 is 402635211.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1125362040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125362041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305731 + ... + 309389.

It is an arithmetic number, because the mean of its divisors is an integer number (28904850).

Almost surely, 2^1125362040 is an apocalyptic number.

1125362040 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 1125362040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1849910400).

1125362040 is an abundant number, since it is smaller than the sum of its proper divisors (2574458760).

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

1125362040 is a wasteful number, since it uses less digits than its factorization.

1125362040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917 (or 3913 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1125362040 is about 33546.4162020327. The cubic root of 1125362040 is about 1040.1534660117.

Adding to 1125362040 its reverse (402635211), we get a palindrome (1527997251).

The spelling of 1125362040 in words is "one billion, one hundred twenty-five million, three hundred sixty-two thousand, forty".