1123548416 has 18 divisors (see below), whose sum is σ = 2242708482. Its totient is φ = 561774080.

The previous prime is 1123548409. The next prime is 1123548427. The reversal of 1123548416 is 6148453211.

It can be written as a sum of positive squares in only one way, i.e., 600054016 + 523494400 = 24496^2 + 22880^2 .

It is a super-2 number, since 2×1123548416² = 2524722086192218112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2194175 + ... + 2194686.

Almost surely, 2^1123548416 is an apocalyptic number.

1123548416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1123548416 is a deficient number, since it is larger than the sum of its proper divisors (1119160066).

1123548416 is an frugal number, since it uses more digits than its factorization.

1123548416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388877 (or 4388863 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 1123548416 is about 33519.3737411665. The cubic root of 1123548416 is about 1039.5943980481.

The spelling of 1123548416 in words is "one billion, one hundred twenty-three million, five hundred forty-eight thousand, four hundred sixteen".