1000415421 has 8 divisors (see below), whose sum is σ = 1482096960. Its totient is φ = 666943596.

The previous prime is 1000415399. The next prime is 1000415431. The reversal of 1000415421 is 1245140001.

1000415421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1000415421 - 2⁵ = 1000415389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000415394 and 1000415403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000415431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18526185 + ... + 18526238.

It is an arithmetic number, because the mean of its divisors is an integer number (185262120).

Almost surely, 2^1000415421 is an apocalyptic number.

It is an amenable number.

1000415421 is a deficient number, since it is larger than the sum of its proper divisors (481681539).

1000415421 is an equidigital number, since it uses as much as digits as its factorization.

1000415421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37052432 (or 37052426 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1000415421 is about 31629.3443024037. The cubic root of 1000415421 is about 1000.1384544961.

Adding to 1000415421 its reverse (1245140001), we get a palindrome (2245555422).

It can be divided in two parts, 10004 and 15421, that added together give a triangular number (25425 = T₂₂₅).

The spelling of 1000415421 in words is "one billion, four hundred fifteen thousand, four hundred twenty-one".