126929193 has 4 divisors (see below), whose sum is σ = 169238928. Its totient is φ = 84619460.

The previous prime is 126929141. The next prime is 126929197. The reversal of 126929193 is 391929621.

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 126929193 - 2⁸ = 126928937 is a prime.

It is a super-2 number, since 2×126929193² = 32222040071262498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126929197) 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, 21154863 + ... + 21154868.

It is an arithmetic number, because the mean of its divisors is an integer number (42309732).

Almost surely, 2^126929193 is an apocalyptic number.

It is an amenable number.

126929193 is a deficient number, since it is larger than the sum of its proper divisors (42309735).

126929193 is an equidigital number, since it uses as much as digits as its factorization.

126929193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42309734.

The product of its digits is 52488, while the sum is 42.

The square root of 126929193 is about 11266.2856789627. The cubic root of 126929193 is about 502.5591366258.

The spelling of 126929193 in words is "one hundred twenty-six million, nine hundred twenty-nine thousand, one hundred ninety-three".