1002421052 has 24 divisors (see below), whose sum is σ = 1860526752. Its totient is φ = 471556800.

The previous prime is 1002421051. The next prime is 1002421067. The reversal of 1002421052 is 2501242001.

It is a self number, because there is not a number n which added to its sum of digits gives 1002421052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002421051) 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, 83699 + ... + 94922.

It is an arithmetic number, because the mean of its divisors is an integer number (77521948).

Almost surely, 2^1002421052 is an apocalyptic number.

It is an amenable number.

1002421052 is a deficient number, since it is larger than the sum of its proper divisors (858105700).

1002421052 is a wasteful number, since it uses less digits than its factorization.

1002421052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178709 (or 178707 counting only the distinct ones).

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

The square root of 1002421052 is about 31661.0336533727. The cubic root of 1002421052 is about 1000.8063669309.

Adding to 1002421052 its reverse (2501242001), we get a palindrome (3503663053).

The spelling of 1002421052 in words is "one billion, two million, four hundred twenty-one thousand, fifty-two".