1157041873 has 8 divisors (see below), whose sum is σ = 1252372968. Its totient is φ = 1062614784.

The previous prime is 1157041871. The next prime is 1157041883. The reversal of 1157041873 is 3781407511.

It can be written as a sum of positive squares in 4 ways, for example, as 142491969 + 1014549904 = 11937^2 + 31852^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1157041873 - 2¹ = 1157041871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1157041871) 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, 223336 + ... + 228457.

It is an arithmetic number, because the mean of its divisors is an integer number (156546621).

Almost surely, 2^1157041873 is an apocalyptic number.

1157041873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1157041873 is a deficient number, since it is larger than the sum of its proper divisors (95331095).

1157041873 is a wasteful number, since it uses less digits than its factorization.

1157041873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452003.

The product of its (nonzero) digits is 23520, while the sum is 37.

The square root of 1157041873 is about 34015.3182110648. The cubic root of 1157041873 is about 1049.8236659290.

The spelling of 1157041873 in words is "one billion, one hundred fifty-seven million, forty-one thousand, eight hundred seventy-three".