126424451 has 8 divisors (see below), whose sum is σ = 129139920. Its totient is φ = 123721312.

The previous prime is 126424439. The next prime is 126424453. The reversal of 126424451 is 154424621.

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

It is a cyclic number.

It is not a de Polignac number, because 126424451 - 2⁶ = 126424387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126424453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19361 + ... + 25053.

It is an arithmetic number, because the mean of its divisors is an integer number (16142490).

Almost surely, 2^126424451 is an apocalyptic number.

126424451 is a deficient number, since it is larger than the sum of its proper divisors (2715469).

126424451 is an equidigital number, since it uses as much as digits as its factorization.

126424451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6165.

The product of its digits is 7680, while the sum is 29.

The square root of 126424451 is about 11243.8628148871. The cubic root of 126424451 is about 501.8920988919.

The spelling of 126424451 in words is "one hundred twenty-six million, four hundred twenty-four thousand, four hundred fifty-one".