1021004130 has 16 divisors (see below), whose sum is σ = 2450409984. Its totient is φ = 272267760.

The previous prime is 1021004123. The next prime is 1021004143. The reversal of 1021004130 is 314001201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17016706 + ... + 17016765.

It is an arithmetic number, because the mean of its divisors is an integer number (153150624).

Almost surely, 2^1021004130 is an apocalyptic number.

1021004130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021004130 is an abundant number, since it is smaller than the sum of its proper divisors (1429405854).

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

1021004130 is a wasteful number, since it uses less digits than its factorization.

1021004130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34033481.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1021004130 is about 31953.1552432620. The cubic root of 1021004130 is about 1006.9529215072.

Adding to 1021004130 its reverse (314001201), we get a palindrome (1335005331).

The spelling of 1021004130 in words is "one billion, twenty-one million, four thousand, one hundred thirty".