1000420015 has 24 divisors (see below), whose sum is σ = 1470011760. Its totient is φ = 649893888.

The previous prime is 1000420007. The next prime is 1000420019. The reversal of 1000420015 is 5100240001.

1000420015 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1000420015 - 2³ = 1000420007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000419977 and 1000420004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000420019) 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 in 23 ways as a sum of consecutive naturals, for example, 102802 + ... + 112111.

It is an arithmetic number, because the mean of its divisors is an integer number (61250490).

Almost surely, 2^1000420015 is an apocalyptic number.

1000420015 is a deficient number, since it is larger than the sum of its proper divisors (469591745).

1000420015 is a wasteful number, since it uses less digits than its factorization.

1000420015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214951 (or 214944 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1000420015 is about 31629.4169247553. The cubic root of 1000420015 is about 1000.1399854032.

Adding to 1000420015 its reverse (5100240001), we get a palindrome (6100660016).

The spelling of 1000420015 in words is "one billion, four hundred twenty thousand, fifteen".