1063200421 has 4 divisors (see below), whose sum is σ = 1079069152. Its totient is φ = 1047331692.

The previous prime is 1063200409. The next prime is 1063200431. The reversal of 1063200421 is 1240023601.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1240023601 = 613 ⋅2022877.

It is a cyclic number.

It is not a de Polignac number, because 1063200421 - 2¹¹ = 1063198373 is a prime.

It is a super-2 number, since 2×1063200421² = 2260790270429154482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063200401) 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, 7934265 + ... + 7934398.

It is an arithmetic number, because the mean of its divisors is an integer number (269767288).

Almost surely, 2^1063200421 is an apocalyptic number.

It is an amenable number.

1063200421 is a deficient number, since it is larger than the sum of its proper divisors (15868731).

1063200421 is an equidigital number, since it uses as much as digits as its factorization.

1063200421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15868730.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1063200421 is about 32606.7542236267. The cubic root of 1063200421 is about 1020.6379518690.

The spelling of 1063200421 in words is "one billion, sixty-three million, two hundred thousand, four hundred twenty-one".