1207446421 has 2 divisors, whose sum is σ = 1207446422. Its totient is φ = 1207446420.

The previous prime is 1207446367. The next prime is 1207446431. The reversal of 1207446421 is 1246447021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1131582321 + 75864100 = 33639^2 + 8710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1207446421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1207446431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603723210 + 603723211.

It is an arithmetic number, because the mean of its divisors is an integer number (603723211).

Almost surely, 2^1207446421 is an apocalyptic number.

It is an amenable number.

1207446421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1207446421 is an equidigital number, since it uses as much as digits as its factorization.

1207446421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 1207446421 is about 34748.3297584215. The cubic root of 1207446421 is about 1064.8520946342.

The spelling of 1207446421 in words is "one billion, two hundred seven million, four hundred forty-six thousand, four hundred twenty-one".