1125554534 has 48 divisors (see below), whose sum is σ = 1887620112. Its totient is φ = 502879104.

The previous prime is 1125554501. The next prime is 1125554537. The reversal of 1125554534 is 4354555211.

It is a junction number, because it is equal to n+sod(n) for n = 1125554494 and 1125554503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125554537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1486484 + ... + 1487240.

It is an arithmetic number, because the mean of its divisors is an integer number (39325419).

Almost surely, 2^1125554534 is an apocalyptic number.

1125554534 is a deficient number, since it is larger than the sum of its proper divisors (762065578).

1125554534 is a wasteful number, since it uses less digits than its factorization.

1125554534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 908 counting only the distinct ones).

The product of its digits is 60000, while the sum is 35.

The square root of 1125554534 is about 33549.2851488672. The cubic root of 1125554534 is about 1040.2127689676.

The spelling of 1125554534 in words is "one billion, one hundred twenty-five million, five hundred fifty-four thousand, five hundred thirty-four".