1002857130 has 192 divisors, whose sum is σ = 3011613696. Its totient is φ = 229248000.

The previous prime is 1002857123. The next prime is 1002857147. The reversal of 1002857130 is 317582001.

It is a junction number, because it is equal to n+sod(n) for n = 1002857094 and 1002857103.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1257892 + ... + 1258688.

It is an arithmetic number, because the mean of its divisors is an integer number (15685488).

Almost surely, 2^1002857130 is an apocalyptic number.

1002857130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002857130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1505806848).

1002857130 is an abundant number, since it is smaller than the sum of its proper divisors (2008756566).

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

1002857130 is a wasteful number, since it uses less digits than its factorization.

1002857130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 1002857130 is about 31667.9195717054. The cubic root of 1002857130 is about 1000.9514710823.

The spelling of 1002857130 in words is "one billion, two million, eight hundred fifty-seven thousand, one hundred thirty".