126832243 has 4 divisors (see below), whose sum is σ = 128063728. Its totient is φ = 125600760.

The previous prime is 126832231. The next prime is 126832259. The reversal of 126832243 is 342238621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342238621 = 19 ⋅18012559.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126832243 is a prime.

It is a super-2 number, since 2×126832243² = 32172835728822098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126835243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615588 + ... + 615793.

It is an arithmetic number, because the mean of its divisors is an integer number (32015932).

Almost surely, 2^126832243 is an apocalyptic number.

126832243 is a deficient number, since it is larger than the sum of its proper divisors (1231485).

126832243 is a wasteful number, since it uses less digits than its factorization.

126832243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231484.

The product of its digits is 13824, while the sum is 31.

The square root of 126832243 is about 11261.9821967538. The cubic root of 126832243 is about 502.4311505219.

The spelling of 126832243 in words is "one hundred twenty-six million, eight hundred thirty-two thousand, two hundred forty-three".