1002343128 has 32 divisors (see below), whose sum is σ = 2614809600. Its totient is φ = 319587488.

The previous prime is 1002343123. The next prime is 1002343141. The reversal of 1002343128 is 8213432001.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1002343098 and 1002343107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002343123) 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, 907368 + ... + 908471.

It is an arithmetic number, because the mean of its divisors is an integer number (81712800).

Almost surely, 2^1002343128 is an apocalyptic number.

It is an amenable number.

1002343128 is an abundant number, since it is smaller than the sum of its proper divisors (1612466472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002343128 is a wasteful number, since it uses less digits than its factorization.

1002343128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815871 (or 1815867 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1002343128 is about 31659.8030316046. The cubic root of 1002343128 is about 1000.7804334319.

Adding to 1002343128 its reverse (8213432001), we get a palindrome (9215775129).

The spelling of 1002343128 in words is "one billion, two million, three hundred forty-three thousand, one hundred twenty-eight".