1018632130 has 8 divisors (see below), whose sum is σ = 1833537852. Its totient is φ = 407452848.

The previous prime is 1018632113. The next prime is 1018632133. The reversal of 1018632130 is 312368101.

It can be written as a sum of positive squares in 2 ways, for example, as 959326729 + 59305401 = 30973^2 + 7701^2 .

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

It is a super-2 number, since 2×1018632130² = 2075222832536673800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1018632095 and 1018632104.

It is not an unprimeable number, because it can be changed into a prime (1018632133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50931597 + ... + 50931616.

Almost surely, 2^1018632130 is an apocalyptic number.

1018632130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1018632130 is a deficient number, since it is larger than the sum of its proper divisors (814905722).

1018632130 is a wasteful number, since it uses less digits than its factorization.

1018632130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101863220.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1018632130 is about 31916.0168254123. The cubic root of 1018632130 is about 1006.1725314639.

The spelling of 1018632130 in words is "one billion, eighteen million, six hundred thirty-two thousand, one hundred thirty".