126376457 has 4 divisors (see below), whose sum is σ = 126408576. Its totient is φ = 126344340.

The previous prime is 126376451. The next prime is 126376483. The reversal of 126376457 is 754673621.

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, and also an emirpimes, since its reverse is a distinct semiprime: 754673621 = 13 ⋅58051817.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126376457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126376451) 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 3 ways as a sum of consecutive naturals, for example, 9173 + ... + 18354.

It is an arithmetic number, because the mean of its divisors is an integer number (31602144).

Almost surely, 2^126376457 is an apocalyptic number.

It is an amenable number.

126376457 is a deficient number, since it is larger than the sum of its proper divisors (32119).

126376457 is an equidigital number, since it uses as much as digits as its factorization.

126376457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32118.

The product of its digits is 211680, while the sum is 41.

The square root of 126376457 is about 11241.7283813478. The cubic root of 126376457 is about 501.8285804349.

The spelling of 126376457 in words is "one hundred twenty-six million, three hundred seventy-six thousand, four hundred fifty-seven".