1043420015 has 16 divisors (see below), whose sum is σ = 1389087360. Its totient is φ = 745986720.

The previous prime is 1043420009. The next prime is 1043420039. The reversal of 1043420015 is 5100243401.

It is a de Polignac number, because none of the positive numbers 2^k-1043420015 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157529 + ... + 164018.

It is an arithmetic number, because the mean of its divisors is an integer number (86817960).

Almost surely, 2^1043420015 is an apocalyptic number.

1043420015 is a deficient number, since it is larger than the sum of its proper divisors (345667345).

1043420015 is a wasteful number, since it uses less digits than its factorization.

1043420015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321622.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1043420015 is about 32302.0125533998. The cubic root of 1043420015 is about 1014.2687721119.

Adding to 1043420015 its reverse (5100243401), we get a palindrome (6143663416).

The spelling of 1043420015 in words is "one billion, forty-three million, four hundred twenty thousand, fifteen".