1000021234 has 16 divisors (see below), whose sum is σ = 1511278848. Its totient is φ = 496269072.

The previous prime is 1000021229. The next prime is 1000021247. The reversal of 1000021234 is 4321200001.

It is a super-3 number, since 3×1000021234³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547647 + ... + 549469.

It is an arithmetic number, because the mean of its divisors is an integer number (94454928).

Almost surely, 2^1000021234 is an apocalyptic number.

1000021234 is a deficient number, since it is larger than the sum of its proper divisors (511257614).

1000021234 is a wasteful number, since it uses less digits than its factorization.

1000021234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3729.

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

The square root of 1000021234 is about 31623.1123389207. The cubic root of 1000021234 is about 1000.0070779499.

Adding to 1000021234 its reverse (4321200001), we get a palindrome (5321221235).

The spelling of 1000021234 in words is "one billion, twenty-one thousand, two hundred thirty-four".