1125090345 has 32 divisors (see below), whose sum is σ = 1908506880. Its totient is φ = 564019200.

The previous prime is 1125090269. The next prime is 1125090361. The reversal of 1125090345 is 5430905211.

It is not a de Polignac number, because 1125090345 - 2²² = 1120896041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231945 + ... + 236745.

It is an arithmetic number, because the mean of its divisors is an integer number (59640840).

Almost surely, 2^1125090345 is an apocalyptic number.

1125090345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1125090345 is a deficient number, since it is larger than the sum of its proper divisors (783416535).

1125090345 is a wasteful number, since it uses less digits than its factorization.

1125090345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5745.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1125090345 is about 33542.3664192019. The cubic root of 1125090345 is about 1040.0697515471.

Adding to 1125090345 its reverse (5430905211), we get a palindrome (6555995556).

The spelling of 1125090345 in words is "one billion, one hundred twenty-five million, ninety thousand, three hundred forty-five".