1012553530 has 8 divisors (see below), whose sum is σ = 1822596372. Its totient is φ = 405021408.

The previous prime is 1012553497. The next prime is 1012553533. The reversal of 1012553530 is 353552101.

It can be written as a sum of positive squares in 2 ways, for example, as 923005161 + 89548369 = 30381^2 + 9463^2 .

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

It is a super-2 number, since 2×1012553530² = 2050529302230921800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012553495 and 1012553504.

It is not an unprimeable number, because it can be changed into a prime (1012553533) 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, 50627667 + ... + 50627686.

Almost surely, 2^1012553530 is an apocalyptic number.

1012553530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012553530 is a deficient number, since it is larger than the sum of its proper divisors (810042842).

1012553530 is a wasteful number, since it uses less digits than its factorization.

1012553530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101255360.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 1012553530 is about 31820.6462850772. The cubic root of 1012553530 is about 1004.1671209822.

The spelling of 1012553530 in words is "one billion, twelve million, five hundred fifty-three thousand, five hundred thirty".