126376491 has 8 divisors (see below), whose sum is σ = 173937664. Its totient is φ = 81533160.

The previous prime is 126376483. The next prime is 126376507. The reversal of 126376491 is 194673621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126376491 - 2³ = 126376483 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679351 + ... + 679536.

It is an arithmetic number, because the mean of its divisors is an integer number (21742208).

Almost surely, 2^126376491 is an apocalyptic number.

126376491 is a deficient number, since it is larger than the sum of its proper divisors (47561173).

126376491 is a wasteful number, since it uses less digits than its factorization.

126376491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358921.

The product of its digits is 54432, while the sum is 39.

The square root of 126376491 is about 11241.7298935707. The cubic root of 126376491 is about 501.8286254384.

The spelling of 126376491 in words is "one hundred twenty-six million, three hundred seventy-six thousand, four hundred ninety-one".