1125512 has 8 divisors (see below), whose sum is σ = 2110350. Its totient is φ = 562752.

The previous prime is 1125499. The next prime is 1125529. The reversal of 1125512 is 2155211.

1125512 = 129² + 130² + ... + 176².

It can be written as a sum of positive squares in only one way, i.e., 586756 + 538756 = 766^2 + 734^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70337 + ... + 70352.

2^1125512 is an apocalyptic number.

It is an amenable number.

1125512 is a deficient number, since it is larger than the sum of its proper divisors (984838).

1125512 is a wasteful number, since it uses less digits than its factorization.

1125512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140695 (or 140691 counting only the distinct ones).

The product of its digits is 100, while the sum is 17.

The square root of 1125512 is about 1060.9015034394. The cubic root of 1125512 is about 104.0199665806.

The spelling of 1125512 in words is "one million, one hundred twenty-five thousand, five hundred twelve".