1157973873 has 16 divisors (see below), whose sum is σ = 1765125120. Its totient is φ = 661476816.

The previous prime is 1157973871. The next prime is 1157973923. The reversal of 1157973873 is 3783797511.

It is not a de Polignac number, because 1157973873 - 2¹ = 1157973871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1157973871) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 70686 + ... + 85512.

It is an arithmetic number, because the mean of its divisors is an integer number (110320320).

Almost surely, 2^1157973873 is an apocalyptic number.

It is an amenable number.

1157973873 is a deficient number, since it is larger than the sum of its proper divisors (607151247).

1157973873 is a wasteful number, since it uses less digits than its factorization.

1157973873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18556.

The product of its digits is 1111320, while the sum is 51.

The square root of 1157973873 is about 34029.0151635336. The cubic root of 1157973873 is about 1050.1054687708.

The spelling of 1157973873 in words is "one billion, one hundred fifty-seven million, nine hundred seventy-three thousand, eight hundred seventy-three".