1125405210 has 16 divisors (see below), whose sum is σ = 2700972576. Its totient is φ = 300108048.

The previous prime is 1125405191. The next prime is 1125405241. The reversal of 1125405210 is 125045211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18756724 + ... + 18756783.

It is an arithmetic number, because the mean of its divisors is an integer number (168810786).

Almost surely, 2^1125405210 is an apocalyptic number.

1125405210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125405210 is an abundant number, since it is smaller than the sum of its proper divisors (1575567366).

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

1125405210 is a wasteful number, since it uses less digits than its factorization.

1125405210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37513517.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1125405210 is about 33547.0596327010. The cubic root of 1125405210 is about 1040.1667662799.

The spelling of 1125405210 in words is "one billion, one hundred twenty-five million, four hundred five thousand, two hundred ten".