1011125 has 8 divisors (see below), whose sum is σ = 1262040. Its totient is φ = 808800.

The previous prime is 1011107. The next prime is 1011137. The reversal of 1011125 is 5211101.

It can be written as a sum of positive squares in 4 ways, for example, as 276676 + 734449 = 526^2 + 857^2 .

It is not a de Polignac number, because 1011125 - 2¹⁶ = 945589 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3920 + ... + 4169.

It is an arithmetic number, because the mean of its divisors is an integer number (157755).

2^1011125 is an apocalyptic number.

It is an amenable number.

1011125 is a deficient number, since it is larger than the sum of its proper divisors (250915).

1011125 is an frugal number, since it uses more digits than its factorization.

1011125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8104 (or 8094 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 1011125 is about 1005.5471147589. The cubic root of 1011125 is about 100.3694665965.

Adding to 1011125 its reverse (5211101), we get a palindrome (6222226).

The spelling of 1011125 in words is "one million, eleven thousand, one hundred twenty-five".