1012425105 has 32 divisors (see below), whose sum is σ = 1635010560. Its totient is φ = 534942720.

The previous prime is 1012425097. The next prime is 1012425121. The reversal of 1012425105 is 5015242101.

It is not a de Polignac number, because 1012425105 - 2³ = 1012425097 is a prime.

It is a super-2 number, since 2×1012425105² = 2050009186468522050, which contains 22 as substring.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 896181 + ... + 897309.

It is an arithmetic number, because the mean of its divisors is an integer number (51094080).

Almost surely, 2^1012425105 is an apocalyptic number.

1012425105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1012425105 is a deficient number, since it is larger than the sum of its proper divisors (622585455).

1012425105 is a wasteful number, since it uses less digits than its factorization.

1012425105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641.

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

The square root of 1012425105 is about 31818.6282702445. The cubic root of 1012425105 is about 1004.1246654111.

Adding to 1012425105 its reverse (5015242101), we get a palindrome (6027667206).

The spelling of 1012425105 in words is "one billion, twelve million, four hundred twenty-five thousand, one hundred five".