1123677898 has 72 divisors (see below), whose sum is σ = 2121357600. Its totient is φ = 443862720.

The previous prime is 1123677887. The next prime is 1123677899. The reversal of 1123677898 is 8987763211.

It is not an unprimeable number, because it can be changed into a prime (1123677899) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3129843 + ... + 3130201.

It is an arithmetic number, because the mean of its divisors is an integer number (29463300).

Almost surely, 2^1123677898 is an apocalyptic number.

1123677898 is a deficient number, since it is larger than the sum of its proper divisors (997679702).

1123677898 is a wasteful number, since it uses less digits than its factorization.

1123677898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 428 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 52.

The square root of 1123677898 is about 33521.3051356895. The cubic root of 1123677898 is about 1039.6343321204.

The spelling of 1123677898 in words is "one billion, one hundred twenty-three million, six hundred seventy-seven thousand, eight hundred ninety-eight".