1012245105 has 16 divisors (see below), whose sum is σ = 1659095424. Its totient is φ = 526696320.

The previous prime is 1012245089. The next prime is 1012245107. The reversal of 1012245105 is 5015422101.

1012245105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1012245105 - 2⁴ = 1012245089 is a prime.

It is a super-2 number, since 2×1012245105² = 2049280305192922050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012245107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 822349 + ... + 823578.

It is an arithmetic number, because the mean of its divisors is an integer number (103693464).

Almost surely, 2^1012245105 is an apocalyptic number.

1012245105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1012245105 is a deficient number, since it is larger than the sum of its proper divisors (646850319).

1012245105 is a wasteful number, since it uses less digits than its factorization.

1012245105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645976.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1012245105 is about 31815.7996127710. The cubic root of 1012245105 is about 1004.0651537984.

Adding to 1012245105 its reverse (5015422101), we get a palindrome (6027667206).

The spelling of 1012245105 in words is "one billion, twelve million, two hundred forty-five thousand, one hundred five".