1021241203004 has 24 divisors (see below), whose sum is σ = 1949877411888. Its totient is φ = 464144567040.

The previous prime is 1021241202991. The next prime is 1021241203007. The reversal of 1021241203004 is 4003021421201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021241203007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029389 + ... + 1761284.

It is an arithmetic number, because the mean of its divisors is an integer number (81244892162).

Almost surely, 2^{1021241203004} is an apocalyptic number.

It is an amenable number.

1021241203004 is a deficient number, since it is larger than the sum of its proper divisors (928636208884).

1021241203004 is a wasteful number, since it uses less digits than its factorization.

1021241203004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799005 (or 2799003 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1021241203004 its reverse (4003021421201), we get a palindrome (5024262624205).

The spelling of 1021241203004 in words is "one trillion, twenty-one billion, two hundred forty-one million, two hundred three thousand, four".