1125114520 has 16 divisors (see below), whose sum is σ = 2531507760. Its totient is φ = 450045792.

The previous prime is 1125114517. The next prime is 1125114521. The reversal of 1125114520 is 254115211.

It is a super-2 number, since 2×1125114520² = 2531765366229660800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1125114491 and 1125114500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125114521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14063892 + ... + 14063971.

It is an arithmetic number, because the mean of its divisors is an integer number (158219235).

Almost surely, 2^1125114520 is an apocalyptic number.

1125114520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125114520 is an abundant number, since it is smaller than the sum of its proper divisors (1406393240).

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

1125114520 is a wasteful number, since it uses less digits than its factorization.

1125114520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28127874 (or 28127870 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1125114520 is about 33542.7267824189. The cubic root of 1125114520 is about 1040.0772008766.

Adding to 1125114520 its reverse (254115211), we get a palindrome (1379229731).

The spelling of 1125114520 in words is "one billion, one hundred twenty-five million, one hundred fourteen thousand, five hundred twenty".