1101489198 has 32 divisors (see below), whose sum is σ = 2215467936. Its totient is φ = 365088768.

The previous prime is 1101489167. The next prime is 1101489199. The reversal of 1101489198 is 8919841011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101489199) 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, 1255536 + ... + 1256412.

It is an arithmetic number, because the mean of its divisors is an integer number (69233373).

Almost surely, 2^1101489198 is an apocalyptic number.

1101489198 is an abundant number, since it is smaller than the sum of its proper divisors (1113978738).

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

1101489198 is a wasteful number, since it uses less digits than its factorization.

1101489198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828.

The product of its (nonzero) digits is 20736, while the sum is 42.

The square root of 1101489198 is about 33188.6908147941. The cubic root of 1101489198 is about 1032.7457446315.

The spelling of 1101489198 in words is "one billion, one hundred one million, four hundred eighty-nine thousand, one hundred ninety-eight".