1051220204 has 6 divisors (see below), whose sum is σ = 1839635364. Its totient is φ = 525610100.

The previous prime is 1051220167. The next prime is 1051220213. The reversal of 1051220204 is 4020221501.

It is a super-2 number, since 2×1051220204² = 2210127834595603232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131402522 + ... + 131402529.

It is an arithmetic number, because the mean of its divisors is an integer number (306605894).

Almost surely, 2^1051220204 is an apocalyptic number.

It is an amenable number.

1051220204 is a deficient number, since it is larger than the sum of its proper divisors (788415160).

1051220204 is a wasteful number, since it uses less digits than its factorization.

1051220204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262805055 (or 262805053 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1051220204 is about 32422.5261816534. The cubic root of 1051220204 is about 1016.7899221463.

Adding to 1051220204 its reverse (4020221501), we get a palindrome (5071441705).

The spelling of 1051220204 in words is "one billion, fifty-one million, two hundred twenty thousand, two hundred four".