1125352550 has 48 divisors (see below), whose sum is σ = 2396846592. Its totient is φ = 385082400.

The previous prime is 1125352531. The next prime is 1125352561. The reversal of 1125352550 is 552535211.

It is a Curzon number.

It is a congruent 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, 194195 + ... + 199905.

It is an arithmetic number, because the mean of its divisors is an integer number (49934304).

Almost surely, 2^1125352550 is an apocalyptic number.

1125352550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125352550 is an abundant number, since it is smaller than the sum of its proper divisors (1271494042).

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

1125352550 is a wasteful number, since it uses less digits than its factorization.

1125352550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6293 (or 6288 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 1125352550 is about 33546.2747559248. The cubic root of 1125352550 is about 1040.1505421869.

Adding to 1125352550 its reverse (552535211), we get a palindrome (1677887761).

The spelling of 1125352550 in words is "one billion, one hundred twenty-five million, three hundred fifty-two thousand, five hundred fifty".