126414721 has 4 divisors (see below), whose sum is σ = 126472752. Its totient is φ = 126356692.

The previous prime is 126414709. The next prime is 126414751. The reversal of 126414721 is 127414621.

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: 127414621 = 2131 ⋅59791.

It is a cyclic number.

It is not a de Polignac number, because 126414721 - 2⁵ = 126414689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126414721.

It is not an unprimeable number, because it can be changed into a prime (126414751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25615 + ... + 30148.

It is an arithmetic number, because the mean of its divisors is an integer number (31618188).

Almost surely, 2^126414721 is an apocalyptic number.

It is an amenable number.

126414721 is a deficient number, since it is larger than the sum of its proper divisors (58031).

126414721 is an equidigital number, since it uses as much as digits as its factorization.

126414721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58030.

The product of its digits is 2688, while the sum is 28.

The square root of 126414721 is about 11243.4301260781. The cubic root of 126414721 is about 501.8792228610.

The spelling of 126414721 in words is "one hundred twenty-six million, four hundred fourteen thousand, seven hundred twenty-one".