1151992 has 8 divisors (see below), whose sum is σ = 2160000. Its totient is φ = 575992.

The previous prime is 1151987. The next prime is 1151993. The reversal of 1151992 is 2991511.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1151992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151993) 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 as a sum of consecutive naturals, namely, 71992 + ... + 72007.

It is an arithmetic number, because the mean of its divisors is an integer number (270000).

2^1151992 is an apocalyptic number.

It is an amenable number.

1151992 is a deficient number, since it is larger than the sum of its proper divisors (1008008).

1151992 is a wasteful number, since it uses less digits than its factorization.

1151992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144005 (or 144001 counting only the distinct ones).

The product of its digits is 810, while the sum is 28.

The square root of 1151992 is about 1073.3089024135. The cubic root of 1151992 is about 104.8294131066.

It can be divided in two parts, 11519 and 92, that added together give a palindrome (11611).

The spelling of 1151992 in words is "one million, one hundred fifty-one thousand, nine hundred ninety-two".