1043220407 has 8 divisors (see below), whose sum is σ = 1098213984. Its totient is φ = 989029888.

The previous prime is 1043220397. The next prime is 1043220433. The reversal of 1043220407 is 7040223401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1043220407 - 2¹⁴ = 1043204023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043220307) 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 7 ways as a sum of consecutive naturals, for example, 198098 + ... + 203295.

It is an arithmetic number, because the mean of its divisors is an integer number (137276748).

Almost surely, 2^1043220407 is an apocalyptic number.

1043220407 is a deficient number, since it is larger than the sum of its proper divisors (54993577).

1043220407 is a wasteful number, since it uses less digits than its factorization.

1043220407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401529.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 1043220407 is about 32298.9226910125. The cubic root of 1043220407 is about 1014.2040908811.

Adding to 1043220407 its reverse (7040223401), we get a palindrome (8083443808).

The spelling of 1043220407 in words is "one billion, forty-three million, two hundred twenty thousand, four hundred seven".