1043707421 has 2 divisors, whose sum is σ = 1043707422. Its totient is φ = 1043707420.

The previous prime is 1043707391. The next prime is 1043707451. The reversal of 1043707421 is 1247073401.

It is a balanced prime because it is at equal distance from previous prime (1043707391) and next prime (1043707451).

It can be written as a sum of positive squares in only one way, i.e., 1018567225 + 25140196 = 31915^2 + 5014^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043707421 - 2²² = 1039513117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043707451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521853710 + 521853711.

It is an arithmetic number, because the mean of its divisors is an integer number (521853711).

Almost surely, 2^1043707421 is an apocalyptic number.

It is an amenable number.

1043707421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043707421 is an equidigital number, since it uses as much as digits as its factorization.

1043707421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 1043707421 is about 32306.4609791911. The cubic root of 1043707421 is about 1014.3618890306.

The spelling of 1043707421 in words is "one billion, forty-three million, seven hundred seven thousand, four hundred twenty-one".