126983393 has 4 divisors (see below), whose sum is σ = 127132080. Its totient is φ = 126834708.

The previous prime is 126983383. The next prime is 126983401. The reversal of 126983393 is 393389621.

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 126983393 - 2¹⁸ = 126721249 is a prime.

It is a super-2 number, since 2×126983393² = 32249564195584898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126983323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73055 + ... + 74772.

It is an arithmetic number, because the mean of its divisors is an integer number (31783020).

Almost surely, 2^126983393 is an apocalyptic number.

It is an amenable number.

126983393 is a deficient number, since it is larger than the sum of its proper divisors (148687).

126983393 is an equidigital number, since it uses as much as digits as its factorization.

126983393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148686.

The product of its digits is 209952, while the sum is 44.

The square root of 126983393 is about 11268.6908290182. The cubic root of 126983393 is about 502.6306589930.

The spelling of 126983393 in words is "one hundred twenty-six million, nine hundred eighty-three thousand, three hundred ninety-three".