1000021014 has 24 divisors (see below), whose sum is σ = 2196396072. Its totient is φ = 328773600.

The previous prime is 1000021003. The next prime is 1000021019. The reversal of 1000021014 is 4101200001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1000020987 and 1000021005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000021019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 379212 + ... + 381839.

It is an arithmetic number, because the mean of its divisors is an integer number (91516503).

Almost surely, 2^1000021014 is an apocalyptic number.

1000021014 is an abundant number, since it is smaller than the sum of its proper divisors (1196375058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000021014 is a wasteful number, since it uses less digits than its factorization.

1000021014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761132 (or 761129 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1000021014 is about 31623.1088604520. The cubic root of 1000021014 is about 1000.0070046176.

Adding to 1000021014 its reverse (4101200001), we get a palindrome (5101221015).

The spelling of 1000021014 in words is "one billion, twenty-one thousand, fourteen".