126754621 has 16 divisors (see below), whose sum is σ = 152928000. Its totient is φ = 104892144.

The previous prime is 126754613. The next prime is 126754627. The reversal of 126754621 is 126457621.

It is not a de Polignac number, because 126754621 - 2³ = 126754613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126754627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3576 + ... + 16318.

It is an arithmetic number, because the mean of its divisors is an integer number (9558000).

Almost surely, 2^126754621 is an apocalyptic number.

It is an amenable number.

126754621 is a deficient number, since it is larger than the sum of its proper divisors (26173379).

126754621 is an equidigital number, since it uses as much as digits as its factorization.

126754621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12793 (or 12779 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 126754621 is about 11258.5354731421. The cubic root of 126754621 is about 502.3286327694.

The spelling of 126754621 in words is "one hundred twenty-six million, seven hundred fifty-four thousand, six hundred twenty-one".