722137127 has 2 divisors, whose sum is σ = 722137128. Its totient is φ = 722137126.

The previous prime is 722137069. The next prime is 722137181. The reversal of 722137127 is 721731227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 722137127 - 2⁶ = 722137063 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 722137093 and 722137102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722137627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361068563 + 361068564.

It is an arithmetic number, because the mean of its divisors is an integer number (361068564).

Almost surely, 2^722137127 is an apocalyptic number.

722137127 is a deficient number, since it is larger than the sum of its proper divisors (1).

722137127 is an equidigital number, since it uses as much as digits as its factorization.

722137127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8232, while the sum is 32.

The square root of 722137127 is about 26872.6092331951. The cubic root of 722137127 is about 897.1668632710.

The spelling of 722137127 in words is "seven hundred twenty-two million, one hundred thirty-seven thousand, one hundred twenty-seven".