1125053538 has 32 divisors (see below), whose sum is σ = 2594318976. Its totient is φ = 318597888.

The previous prime is 1125053537. The next prime is 1125053551. The reversal of 1125053538 is 8353505211.

It is a junction number, because it is equal to n+sod(n) for n = 1125053499 and 1125053508.

It is not an unprimeable number, because it can be changed into a prime (1125053537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113781 + ... + 123272.

It is an arithmetic number, because the mean of its divisors is an integer number (81072468).

Almost surely, 2^1125053538 is an apocalyptic number.

1125053538 is an abundant number, since it is smaller than the sum of its proper divisors (1469265438).

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

1125053538 is a wasteful number, since it uses less digits than its factorization.

1125053538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237178.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 1125053538 is about 33541.8177503844. The cubic root of 1125053538 is about 1040.0584095646.

Adding to 1125053538 its reverse (8353505211), we get a palindrome (9478558749).

The spelling of 1125053538 in words is "one billion, one hundred twenty-five million, fifty-three thousand, five hundred thirty-eight".