1020001204 has 24 divisors (see below), whose sum is σ = 1817182080. Its totient is φ = 500824896.

The previous prime is 1020001201. The next prime is 1020001223. The reversal of 1020001204 is 4021000201.

It is a super-2 number, since 2×1020001204² = 2080804912322899232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020001201) 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, 311544 + ... + 314800.

It is an arithmetic number, because the mean of its divisors is an integer number (75715920).

Almost surely, 2^1020001204 is an apocalyptic number.

It is an amenable number.

1020001204 is a deficient number, since it is larger than the sum of its proper divisors (797180876).

1020001204 is a wasteful number, since it uses less digits than its factorization.

1020001204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4647 (or 4645 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1020001204 is about 31937.4576946882. The cubic root of 1020001204 is about 1006.6231056298.

Adding to 1020001204 its reverse (4021000201), we get a palindrome (5041001405).

The spelling of 1020001204 in words is "one billion, twenty million, one thousand, two hundred four".