724120051 has 2 divisors, whose sum is σ = 724120052. Its totient is φ = 724120050.

The previous prime is 724120037. The next prime is 724120087. The reversal of 724120051 is 150021427.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 724120051 - 2¹³ = 724111859 is a prime.

It is not a weakly prime, because it can be changed into another prime (724120021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362060025 + 362060026.

It is an arithmetic number, because the mean of its divisors is an integer number (362060026).

Almost surely, 2^724120051 is an apocalyptic number.

724120051 is a deficient number, since it is larger than the sum of its proper divisors (1).

724120051 is an equidigital number, since it uses as much as digits as its factorization.

724120051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 724120051 is about 26909.4788318169. The cubic root of 724120051 is about 897.9872927900.

Adding to 724120051 its reverse (150021427), we get a palindrome (874141478).

The spelling of 724120051 in words is "seven hundred twenty-four million, one hundred twenty thousand, fifty-one".