1000302421 has 8 divisors (see below), whose sum is σ = 1030091744. Its totient is φ = 970809840.

The previous prime is 1000302409. The next prime is 1000302439. The reversal of 1000302421 is 1242030001.

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 1000302421 - 2⁹ = 1000301909 is a prime.

It is a super-2 number, since 2×1000302421² = 2001209866916922482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000302221) 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, 67335 + ... + 80836.

It is an arithmetic number, because the mean of its divisors is an integer number (128761468).

Almost surely, 2^1000302421 is an apocalyptic number.

It is an amenable number.

1000302421 is a deficient number, since it is larger than the sum of its proper divisors (29789323).

1000302421 is a wasteful number, since it uses less digits than its factorization.

1000302421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148371.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1000302421 is about 31627.5579360785. The cubic root of 1000302421 is about 1000.1007968397.

Adding to 1000302421 its reverse (1242030001), we get a palindrome (2242332422).

The spelling of 1000302421 in words is "one billion, three hundred two thousand, four hundred twenty-one".