1101448890 has 48 divisors (see below), whose sum is σ = 2866643208. Its totient is φ = 293424768.

The previous prime is 1101448847. The next prime is 1101448897. The reversal of 1101448890 is 988441011.

It can be written as a sum of positive squares in 4 ways, for example, as 1020610809 + 80838081 = 31947^2 + 8991^2 .

It is not an unprimeable number, because it can be changed into a prime (1101448897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92772 + ... + 103968.

Almost surely, 2^1101448890 is an apocalyptic number.

1101448890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1101448890 is an abundant number, since it is smaller than the sum of its proper divisors (1765194318).

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

1101448890 is a wasteful number, since it uses less digits than its factorization.

1101448890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12303 (or 12300 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 1101448890 is about 33188.0835541916. The cubic root of 1101448890 is about 1032.7331470126.

The spelling of 1101448890 in words is "one billion, one hundred one million, four hundred forty-eight thousand, eight hundred ninety".