1151943 has 8 divisors (see below), whose sum is σ = 1654128. Its totient is φ = 708864.

The previous prime is 1151933. The next prime is 1151963. The reversal of 1151943 is 3491511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1151943 - 2⁵ = 1151911 is a prime.

It is a super-3 number, since 3×1151943³ = 4585790653333076421, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151933) 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 7 ways as a sum of consecutive naturals, for example, 14730 + ... + 14807.

It is an arithmetic number, because the mean of its divisors is an integer number (206766).

2^1151943 is an apocalyptic number.

1151943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1151943 is a deficient number, since it is larger than the sum of its proper divisors (502185).

1151943 is a wasteful number, since it uses less digits than its factorization.

1151943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29553.

The product of its digits is 540, while the sum is 24.

The square root of 1151943 is about 1073.2860755642. The cubic root of 1151943 is about 104.8279267785.

Subtracting from 1151943 its product of digits (540), we obtain a triangular number (1151403 = T₁₅₁₇).

The spelling of 1151943 in words is "one million, one hundred fifty-one thousand, nine hundred forty-three".