1201188 has 24 divisors (see below), whose sum is σ = 2894080. Its totient is φ = 387360.

The previous prime is 1201183. The next prime is 1201201. The reversal of 1201188 is 8811021.

It is a super-2 number, since 2×1201188² = 2885705222688, which contains 22 as substring.

1201188 is a modest number, since divided by 1188 gives 120 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1201183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1243 + ... + 1986.

2^1201188 is an apocalyptic number.

It is an amenable number.

1201188 is an abundant number, since it is smaller than the sum of its proper divisors (1692892).

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

1201188 is a wasteful number, since it uses less digits than its factorization.

1201188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267 (or 3265 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 1201188 is about 1095.9872262029. The cubic root of 1201188 is about 106.3009130851.

The spelling of 1201188 in words is "one million, two hundred one thousand, one hundred eighty-eight".