1157123424 has 48 divisors (see below), whose sum is σ = 3066964992. Its totient is φ = 381959808.

The previous prime is 1157123413. The next prime is 1157123549. The reversal of 1157123424 is 4243217511.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 1157123391 and 1157123400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48624 + ... + 68399.

It is an arithmetic number, because the mean of its divisors is an integer number (63895104).

Almost surely, 2^1157123424 is an apocalyptic number.

It is an amenable number.

1157123424 is an abundant number, since it is smaller than the sum of its proper divisors (1909841568).

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

1157123424 is a wasteful number, since it uses less digits than its factorization.

1157123424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117139 (or 117131 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 1157123424 is about 34016.5169292801. The cubic root of 1157123424 is about 1049.8483300201.

The spelling of 1157123424 in words is "one billion, one hundred fifty-seven million, one hundred twenty-three thousand, four hundred twenty-four".