1023021004 has 6 divisors (see below), whose sum is σ = 1790286764. Its totient is φ = 511510500.

The previous prime is 1023020993. The next prime is 1023021101. The reversal of 1023021004 is 4001203201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127877622 + ... + 127877629.

Almost surely, 2^1023021004 is an apocalyptic number.

It is an amenable number.

1023021004 is a deficient number, since it is larger than the sum of its proper divisors (767265760).

1023021004 is a wasteful number, since it uses less digits than its factorization.

1023021004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255755255 (or 255755253 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1023021004 is about 31984.6995296188. The cubic root of 1023021004 is about 1007.6155245618.

Adding to 1023021004 its reverse (4001203201), we get a palindrome (5024224205).

The spelling of 1023021004 in words is "one billion, twenty-three million, twenty-one thousand, four".