1201123424 has 24 divisors (see below), whose sum is σ = 2373929208. Its totient is φ = 598220800.

The previous prime is 1201123393. The next prime is 1201123433. The reversal of 1201123424 is 4243211021.

It is a junction number, because it is equal to n+sod(n) for n = 1201123396 and 1201123405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64802 + ... + 81249.

It is an arithmetic number, because the mean of its divisors is an integer number (98913717).

Almost surely, 2^1201123424 is an apocalyptic number.

It is an amenable number.

1201123424 is a deficient number, since it is larger than the sum of its proper divisors (1172805784).

1201123424 is a wasteful number, since it uses less digits than its factorization.

1201123424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146318 (or 146310 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1201123424 is about 34657.2275867531. The cubic root of 1201123424 is about 1062.9900813463.

Adding to 1201123424 its reverse (4243211021), we get a palindrome (5444334445).

The spelling of 1201123424 in words is "one billion, two hundred one million, one hundred twenty-three thousand, four hundred twenty-four".