1002421115 has 8 divisors (see below), whose sum is σ = 1241708928. Its totient is φ = 776067840.

The previous prime is 1002421111. The next prime is 1002421127. The reversal of 1002421115 is 5111242001.

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

It is not a de Polignac number, because 1002421115 - 2² = 1002421111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002421093 and 1002421102.

It is not an unprimeable number, because it can be changed into a prime (1002421111) 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, 3233462 + ... + 3233771.

It is an arithmetic number, because the mean of its divisors is an integer number (155213616).

Almost surely, 2^1002421115 is an apocalyptic number.

1002421115 is a deficient number, since it is larger than the sum of its proper divisors (239287813).

1002421115 is an equidigital number, since it uses as much as digits as its factorization.

1002421115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6467269.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1002421115 is about 31661.0346482865. The cubic root of 1002421115 is about 1000.8063878971.

Adding to 1002421115 its reverse (5111242001), we get a palindrome (6113663116).

The spelling of 1002421115 in words is "one billion, two million, four hundred twenty-one thousand, one hundred fifteen".