105021010 has 8 divisors (see below), whose sum is σ = 189037836. Its totient is φ = 42008400.

The previous prime is 105021001. The next prime is 105021029. The reversal of 105021010 is 10120501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 103612041 + 1408969 = 10179^2 + 1187^2 .

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

It is a super-2 number, since 2×105021010² = 22058825082840200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 10502101 = 105021010 / (1 + 0 + 5 + 0 + 2 + 1 + 0 + 1 + 0).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5251041 + ... + 5251060.

Almost surely, 2^105021010 is an apocalyptic number.

105021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105021010 is a deficient number, since it is larger than the sum of its proper divisors (84016826).

105021010 is a wasteful number, since it uses less digits than its factorization.

105021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10502108.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 105021010 is about 10247.9758977078. The cubic root of 105021010 is about 471.8008622031.

Adding to 105021010 its reverse (10120501), we get a palindrome (115141511).

The spelling of 105021010 in words is "one hundred five million, twenty-one thousand, ten".