1125125050 has 48 divisors (see below), whose sum is σ = 2399042880. Its totient is φ = 384572160.

The previous prime is 1125125047. The next prime is 1125125083. The reversal of 1125125050 is 505215211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113181 + ... + 122719.

It is an arithmetic number, because the mean of its divisors is an integer number (49980060).

Almost surely, 2^1125125050 is an apocalyptic number.

1125125050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125125050 is an abundant number, since it is smaller than the sum of its proper divisors (1273917830).

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

1125125050 is a wasteful number, since it uses less digits than its factorization.

1125125050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9895 (or 9890 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 1125125050 is about 33542.8837460347. The cubic root of 1125125050 is about 1040.0804455771.

The spelling of 1125125050 in words is "one billion, one hundred twenty-five million, one hundred twenty-five thousand, fifty".