1125898 has 4 divisors (see below), whose sum is σ = 1688850. Its totient is φ = 562948.

The previous prime is 1125871. The next prime is 1125899. The reversal of 1125898 is 8985211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1117249 + 8649 = 1057^2 + 93^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1125899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281473 + ... + 281476.

2^1125898 is an apocalyptic number.

1125898 is a deficient number, since it is larger than the sum of its proper divisors (562952).

1125898 is an equidigital number, since it uses as much as digits as its factorization.

1125898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562951.

The product of its digits is 5760, while the sum is 34.

The square root of 1125898 is about 1061.0834085971. The cubic root of 1125898 is about 104.0318566117.

The spelling of 1125898 in words is "one million, one hundred twenty-five thousand, eight hundred ninety-eight".