1123449770 has 16 divisors (see below), whose sum is σ = 2024189568. Its totient is φ = 448939920.

The previous prime is 1123449751. The next prime is 1123449773. The reversal of 1123449770 is 779443211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1123449773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44174 + ... + 64793.

It is an arithmetic number, because the mean of its divisors is an integer number (126511848).

Almost surely, 2^1123449770 is an apocalyptic number.

1123449770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123449770 is a deficient number, since it is larger than the sum of its proper divisors (900739798).

1123449770 is a wasteful number, since it uses less digits than its factorization.

1123449770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110005.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 1123449770 is about 33517.9022314941. The cubic root of 1123449770 is about 1039.5639721732.

The spelling of 1123449770 in words is "one billion, one hundred twenty-three million, four hundred forty-nine thousand, seven hundred seventy".