1151249 has 4 divisors (see below), whose sum is σ = 1255920. Its totient is φ = 1046580.

The previous prime is 1151243. The next prime is 1151251. The reversal of 1151249 is 9421511.

It is a happy number.

1151249 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1151249 - 2⁴ = 1151233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151243) 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 3 ways as a sum of consecutive naturals, for example, 52319 + ... + 52340.

It is an arithmetic number, because the mean of its divisors is an integer number (313980).

2^1151249 is an apocalyptic number.

It is an amenable number.

1151249 is a deficient number, since it is larger than the sum of its proper divisors (104671).

1151249 is a wasteful number, since it uses less digits than its factorization.

1151249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104670.

The product of its digits is 360, while the sum is 23.

The square root of 1151249 is about 1072.9627206944. The cubic root of 1151249 is about 104.8068709925.

The spelling of 1151249 in words is "one million, one hundred fifty-one thousand, two hundred forty-nine".