101530026 has 24 divisors (see below), whose sum is σ = 236903940. Its totient is φ = 31239936.

The previous prime is 101530021. The next prime is 101530133. The reversal of 101530026 is 620035101.

It can be written as a sum of positive squares in 2 ways, for example, as 99980001 + 1550025 = 9999^2 + 1245^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101529990 and 101530008.

It is not an unprimeable number, because it can be changed into a prime (101530021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216711 + ... + 217178.

Almost surely, 2^101530026 is an apocalyptic number.

101530026 is an abundant number, since it is smaller than the sum of its proper divisors (135373914).

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

101530026 is a wasteful number, since it uses less digits than its factorization.

101530026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433910 (or 433907 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 101530026 is about 10076.2108949744. The cubic root of 101530026 is about 466.5141622993.

Adding to 101530026 its reverse (620035101), we get a palindrome (721565127).

The spelling of 101530026 in words is "one hundred one million, five hundred thirty thousand, twenty-six".