1151229 has 12 divisors (see below), whose sum is σ = 1621536. Its totient is φ = 726408.

The previous prime is 1151221. The next prime is 1151233. The reversal of 1151229 is 9221511.

It is not a de Polignac number, because 1151229 - 2³ = 1151221 is a prime.

It is a super-3 number, since 3×1151229³ = 4577268811133345967, which contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151221) 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 11 ways as a sum of consecutive naturals, for example, 552 + ... + 1614.

It is an arithmetic number, because the mean of its divisors is an integer number (135128).

2^1151229 is an apocalyptic number.

1151229 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1151229 is a deficient number, since it is larger than the sum of its proper divisors (470307).

1151229 is a wasteful number, since it uses less digits than its factorization.

1151229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104 (or 1085 counting only the distinct ones).

The product of its digits is 180, while the sum is 21.

The square root of 1151229 is about 1072.9534006657. The cubic root of 1151229 is about 104.8062640721.

The spelling of 1151229 in words is "one million, one hundred fifty-one thousand, two hundred twenty-nine".