126721714 has 16 divisors (see below), whose sum is σ = 217382400. Its totient is φ = 54273024.

The previous prime is 126721709. The next prime is 126721717. The reversal of 126721714 is 417127621.

It is not an unprimeable number, because it can be changed into a prime (126721717) 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, 36402 + ... + 39730.

It is an arithmetic number, because the mean of its divisors is an integer number (13586400).

Almost surely, 2^126721714 is an apocalyptic number.

126721714 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

126721714 is a deficient number, since it is larger than the sum of its proper divisors (90660686).

126721714 is a wasteful number, since it uses less digits than its factorization.

126721714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6057.

The product of its digits is 4704, while the sum is 31.

The square root of 126721714 is about 11257.0739537413. The cubic root of 126721714 is about 502.2851588540.

The spelling of 126721714 in words is "one hundred twenty-six million, seven hundred twenty-one thousand, seven hundred fourteen".