1001142530 has 8 divisors (see below), whose sum is σ = 1802056572. Its totient is φ = 400457008.

The previous prime is 1001142521. The next prime is 1001142557. The reversal of 1001142530 is 352411001.

It can be written as a sum of positive squares in 2 ways, for example, as 968641129 + 32501401 = 31123^2 + 5701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1001142499 and 1001142508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50057117 + ... + 50057136.

Almost surely, 2^1001142530 is an apocalyptic number.

1001142530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001142530 is a deficient number, since it is larger than the sum of its proper divisors (800914042).

1001142530 is a wasteful number, since it uses less digits than its factorization.

1001142530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100114260.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1001142530 is about 31640.8364301578. The cubic root of 1001142530 is about 1000.3806983837.

Adding to 1001142530 its reverse (352411001), we get a palindrome (1353553531).

The spelling of 1001142530 in words is "one billion, one million, one hundred forty-two thousand, five hundred thirty".