1125915 has 16 divisors (see below), whose sum is σ = 2059008. Its totient is φ = 514656.

The previous prime is 1125913. The next prime is 1125923. The reversal of 1125915 is 5195211.

It is not a de Polignac number, because 1125915 - 2¹ = 1125913 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1125911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5257 + ... + 5466.

It is an arithmetic number, because the mean of its divisors is an integer number (128688).

2^1125915 is an apocalyptic number.

1125915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1125915 is a deficient number, since it is larger than the sum of its proper divisors (933093).

1125915 is a wasteful number, since it uses less digits than its factorization.

1125915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10738.

The product of its digits is 450, while the sum is 24.

The square root of 1125915 is about 1061.0914192472. The cubic root of 1125915 is about 104.0323802034.

The spelling of 1125915 in words is "one million, one hundred twenty-five thousand, nine hundred fifteen".