1125412550 has 12 divisors (see below), whose sum is σ = 2093267436. Its totient is φ = 450165000.

The previous prime is 1125412549. The next prime is 1125412571. The reversal of 1125412550 is 552145211.

1125412550 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11254076 + ... + 11254175.

It is an arithmetic number, because the mean of its divisors is an integer number (174438953).

Almost surely, 2^1125412550 is an apocalyptic number.

1125412550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125412550 is a deficient number, since it is larger than the sum of its proper divisors (967854886).

1125412550 is a wasteful number, since it uses less digits than its factorization.

1125412550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22508263 (or 22508258 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1125412550 is about 33547.1690310822. The cubic root of 1125412550 is about 1040.1690276306.

Adding to 1125412550 its reverse (552145211), we get a palindrome (1677557761).

The spelling of 1125412550 in words is "one billion, one hundred twenty-five million, four hundred twelve thousand, five hundred fifty".