1261132 has 12 divisors (see below), whose sum is σ = 2229136. Its totient is φ = 624240.

The previous prime is 1261121. The next prime is 1261133. The reversal of 1261132 is 2311621.

It is a hoax number, since the sum of its digits (16) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1261133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1119 + ... + 1942.

2^1261132 is an apocalyptic number.

It is an amenable number.

1261132 is a deficient number, since it is larger than the sum of its proper divisors (968004).

1261132 is a wasteful number, since it uses less digits than its factorization.

1261132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168 (or 3166 counting only the distinct ones).

The product of its digits is 72, while the sum is 16.

The square root of 1261132 is about 1123.0013357071. The cubic root of 1261132 is about 108.0405654656.

Adding to 1261132 its reverse (2311621), we get a palindrome (3572753).

The spelling of 1261132 in words is "one million, two hundred sixty-one thousand, one hundred thirty-two".