1188957 has 16 divisors (see below), whose sum is σ = 1976832. Its totient is φ = 617520.

The previous prime is 1188947. The next prime is 1188973. The reversal of 1188957 is 7598811.

It is not a de Polignac number, because 1188957 - 2¹⁰ = 1187933 is a prime.

1188957 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1188917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2343 + ... + 2804.

It is an arithmetic number, because the mean of its divisors is an integer number (123552).

2^1188957 is an apocalyptic number.

It is an amenable number.

1188957 is a deficient number, since it is larger than the sum of its proper divisors (787875).

1188957 is a wasteful number, since it uses less digits than its factorization.

1188957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5168.

The product of its digits is 20160, while the sum is 39.

The square root of 1188957 is about 1090.3930484004. The cubic root of 1188957 is about 105.9388813440.

It can be divided in two parts, 1188 and 957, that added together give a triangular number (2145 = T₆₅).

The spelling of 1188957 in words is "one million, one hundred eighty-eight thousand, nine hundred fifty-seven".