1021202044 has 12 divisors (see below), whose sum is σ = 1881161800. Its totient is φ = 483727248.

The previous prime is 1021201999. The next prime is 1021202069. The reversal of 1021202044 is 4402021201.

It is a super-2 number, since 2×1021202044² = 2085707229339555872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6718359 + ... + 6718510.

Almost surely, 2^1021202044 is an apocalyptic number.

It is an amenable number.

1021202044 is a deficient number, since it is larger than the sum of its proper divisors (859959756).

1021202044 is a wasteful number, since it uses less digits than its factorization.

1021202044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13436892 (or 13436890 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1021202044 is about 31956.2520330529. The cubic root of 1021202044 is about 1007.0179807298.

Adding to 1021202044 its reverse (4402021201), we get a palindrome (5423223245).

The spelling of 1021202044 in words is "one billion, twenty-one million, two hundred two thousand, forty-four".