1021227204 has 24 divisors (see below), whose sum is σ = 2383685920. Its totient is φ = 340291584.

The previous prime is 1021227197. The next prime is 1021227223. The reversal of 1021227204 is 4027221201.

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, 26052 + ... + 52164.

Almost surely, 2^1021227204 is an apocalyptic number.

It is an amenable number.

1021227204 is an abundant number, since it is smaller than the sum of its proper divisors (1362458716).

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

1021227204 is a wasteful number, since it uses less digits than its factorization.

1021227204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29379 (or 29377 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 1021227204 is about 31956.6456938146. The cubic root of 1021227204 is about 1007.0262508413.

Adding to 1021227204 its reverse (4027221201), we get a palindrome (5048448405).

The spelling of 1021227204 in words is "one billion, twenty-one million, two hundred twenty-seven thousand, two hundred four".