1002042130 has 16 divisors (see below), whose sum is σ = 1811421144. Its totient is φ = 399095680.

The previous prime is 1002042079. The next prime is 1002042137. The reversal of 1002042130 is 312402001.

It can be written as a sum of positive squares in 4 ways, for example, as 389628121 + 612414009 = 19739^2 + 24747^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1002042130.

It is not an unprimeable number, because it can be changed into a prime (1002042137) 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, 212701 + ... + 217360.

Almost surely, 2^1002042130 is an apocalyptic number.

1002042130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002042130 is a deficient number, since it is larger than the sum of its proper divisors (809379014).

1002042130 is a wasteful number, since it uses less digits than its factorization.

1002042130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430301.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1002042130 is about 31655.0490443468. The cubic root of 1002042130 is about 1000.6802471589.

Adding to 1002042130 its reverse (312402001), we get a palindrome (1314444131).

The spelling of 1002042130 in words is "one billion, two million, forty-two thousand, one hundred thirty".