1012162103 has 4 divisors (see below), whose sum is σ = 1012316448. Its totient is φ = 1012007760.

The previous prime is 1012162069. The next prime is 1012162111. The reversal of 1012162103 is 3012612101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3012612101 = 14437 ⋅208673.

It is a cyclic number.

It is not a de Polignac number, because 1012162103 - 2⁸ = 1012161847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012162003) 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, 66878 + ... + 80603.

It is an arithmetic number, because the mean of its divisors is an integer number (253079112).

Almost surely, 2^1012162103 is an apocalyptic number.

1012162103 is a deficient number, since it is larger than the sum of its proper divisors (154345).

1012162103 is an equidigital number, since it uses as much as digits as its factorization.

1012162103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154344.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1012162103 is about 31814.4951712266. The cubic root of 1012162103 is about 1004.0377092946.

Adding to 1012162103 its reverse (3012612101), we get a palindrome (4024774204).

The spelling of 1012162103 in words is "one billion, twelve million, one hundred sixty-two thousand, one hundred three".