1125100144 has 40 divisors (see below), whose sum is σ = 2558634848. Its totient is φ = 469152000.

The previous prime is 1125100121. The next prime is 1125100169. The reversal of 1125100144 is 4410015211.

It is a congruent number.

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, 131607 + ... + 139894.

Almost surely, 2^1125100144 is an apocalyptic number.

1125100144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1125100144 is an abundant number, since it is smaller than the sum of its proper divisors (1433534704).

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

1125100144 is a wasteful number, since it uses less digits than its factorization.

1125100144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271553 (or 271547 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1125100144 is about 33542.5124878862. The cubic root of 1125100144 is about 1040.0727710421.

Adding to 1125100144 its reverse (4410015211), we get a palindrome (5535115355).

The spelling of 1125100144 in words is "one billion, one hundred twenty-five million, one hundred thousand, one hundred forty-four".