721412301 has 4 divisors (see below), whose sum is σ = 961883072. Its totient is φ = 480941532.

The previous prime is 721412287. The next prime is 721412339. The reversal of 721412301 is 103214127.

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.

It is not a de Polignac number, because 721412301 - 2⁵ = 721412269 is a prime.

It is a super-2 number, since 2×721412301² = 1040871416068229202, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (721412101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120235381 + ... + 120235386.

It is an arithmetic number, because the mean of its divisors is an integer number (240470768).

Almost surely, 2^721412301 is an apocalyptic number.

It is an amenable number.

721412301 is a deficient number, since it is larger than the sum of its proper divisors (240470771).

721412301 is a wasteful number, since it uses less digits than its factorization.

721412301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240470770.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 721412301 is about 26859.1195127465. The cubic root of 721412301 is about 896.8665936332.

Adding to 721412301 its reverse (103214127), we get a palindrome (824626428).

The spelling of 721412301 in words is "seven hundred twenty-one million, four hundred twelve thousand, three hundred one".