1000021301 has 8 divisors (see below), whose sum is σ = 1053834624. Its totient is φ = 947069200.

The previous prime is 1000021291. The next prime is 1000021333. The reversal of 1000021301 is 1031200001.

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 1000021301 - 2²⁶ = 932912437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000021801) 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, 212921 + ... + 217566.

It is an arithmetic number, because the mean of its divisors is an integer number (131729328).

Almost surely, 2^1000021301 is an apocalyptic number.

It is an amenable number.

1000021301 is a deficient number, since it is larger than the sum of its proper divisors (53813323).

1000021301 is a wasteful number, since it uses less digits than its factorization.

1000021301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430611.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1000021301 is about 31623.1133982725. The cubic root of 1000021301 is about 1000.0071002829.

Adding to 1000021301 its reverse (1031200001), we get a palindrome (2031221302).

The spelling of 1000021301 in words is "one billion, twenty-one thousand, three hundred one".