1021343044 has 6 divisors (see below), whose sum is σ = 1787350334. Its totient is φ = 510671520.

The previous prime is 1021343021. The next prime is 1021343093. The reversal of 1021343044 is 4403431201.

It can be written as a sum of positive squares in only one way, i.e., 1016334400 + 5008644 = 31880^2 + 2238^2 .

It is a super-2 number, since 2×1021343044² = 2086283227054371872, 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, 127667877 + ... + 127667884.

Almost surely, 2^1021343044 is an apocalyptic number.

It is an amenable number.

1021343044 is a deficient number, since it is larger than the sum of its proper divisors (766007290).

1021343044 is a wasteful number, since it uses less digits than its factorization.

1021343044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255335765 (or 255335763 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1021343044 is about 31958.4580979746. The cubic root of 1021343044 is about 1007.0643257868.

Adding to 1021343044 its reverse (4403431201), we get a palindrome (5424774245).

The spelling of 1021343044 in words is "one billion, twenty-one million, three hundred forty-three thousand, forty-four".