1012180608 has 48 divisors (see below), whose sum is σ = 2912658450. Its totient is φ = 337393152.

The previous prime is 1012180567. The next prime is 1012180613. The reversal of 1012180608 is 8060812101.

It can be written as a sum of positive squares in only one way, i.e., 771061824 + 241118784 = 27768^2 + 15528^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1012180608² = 2049019166422499328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 438163 + ... + 440466.

Almost surely, 2^1012180608 is an apocalyptic number.

1012180608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1012180608 is an abundant number, since it is smaller than the sum of its proper divisors (1900477842).

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

1012180608 is an equidigital number, since it uses as much as digits as its factorization.

1012180608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878649 (or 878634 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 1012180608 is about 31814.7859964514. The cubic root of 1012180608 is about 1004.0438280788.

Adding to 1012180608 its reverse (8060812101), we get a palindrome (9072992709).

The spelling of 1012180608 in words is "one billion, twelve million, one hundred eighty thousand, six hundred eight".