1125677898 has 20 divisors (see below), whose sum is σ = 2522352690. Its totient is φ = 375225912.

The previous prime is 1125677867. The next prime is 1125677941. The reversal of 1125677898 is 8987765211.

1125677898 is a `hidden beast` number, since 1 + 1 + 2 + 567 + 78 + 9 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1116695889 + 8982009 = 33417^2 + 2997^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3474153 + ... + 3474476.

Almost surely, 2^1125677898 is an apocalyptic number.

1125677898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1125677898 is an abundant number, since it is smaller than the sum of its proper divisors (1396674792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125677898 is an equidigital number, since it uses as much as digits as its factorization.

1125677898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6948643 (or 6948634 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 54.

The square root of 1125677898 is about 33551.1236473535. The cubic root of 1125677898 is about 1040.2507710120.

The spelling of 1125677898 in words is "one billion, one hundred twenty-five million, six hundred seventy-seven thousand, eight hundred ninety-eight".