126074891 has 16 divisors (see below), whose sum is σ = 133954560. Its totient is φ = 118419840.

The previous prime is 126074887. The next prime is 126074909. The reversal of 126074891 is 198470621.

It is a cyclic number.

It is not a de Polignac number, because 126074891 - 2² = 126074887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126074881) 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 15 ways as a sum of consecutive naturals, for example, 465086 + ... + 465356.

It is an arithmetic number, because the mean of its divisors is an integer number (8372160).

Almost surely, 2^126074891 is an apocalyptic number.

126074891 is a deficient number, since it is larger than the sum of its proper divisors (7879669).

126074891 is a wasteful number, since it uses less digits than its factorization.

126074891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 126074891 is about 11228.3075750533. The cubic root of 126074891 is about 501.4290994579.

The spelling of 126074891 in words is "one hundred twenty-six million, seventy-four thousand, eight hundred ninety-one".