126128673 has 24 divisors (see below), whose sum is σ = 199218240. Its totient is φ = 76260960.

The previous prime is 126128657. The next prime is 126128687. The reversal of 126128673 is 376821621.

It is not a de Polignac number, because 126128673 - 2⁴ = 126128657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126128693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49140 + ... + 51642.

It is an arithmetic number, because the mean of its divisors is an integer number (8300760).

Almost surely, 2^126128673 is an apocalyptic number.

It is an amenable number.

126128673 is a deficient number, since it is larger than the sum of its proper divisors (73089567).

126128673 is a wasteful number, since it uses less digits than its factorization.

126128673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029 (or 3026 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 126128673 is about 11230.7022487465. The cubic root of 126128673 is about 501.5003904866.

The spelling of 126128673 in words is "one hundred twenty-six million, one hundred twenty-eight thousand, six hundred seventy-three".