102112046 has 4 divisors (see below), whose sum is σ = 153168072. Its totient is φ = 51056022.

The previous prime is 102112009. The next prime is 102112063. The reversal of 102112046 is 640211201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 640211201 = 7 ⋅91458743.

It is a super-2 number, since 2×102112046² = 20853739876612232, which contains 22 as substring.

It is a congruent 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 as a sum of consecutive naturals, namely, 25528010 + ... + 25528013.

It is an arithmetic number, because the mean of its divisors is an integer number (38292018).

Almost surely, 2^102112046 is an apocalyptic number.

102112046 is a deficient number, since it is larger than the sum of its proper divisors (51056026).

102112046 is an equidigital number, since it uses as much as digits as its factorization.

102112046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51056025.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 102112046 is about 10105.0505194185. The cubic root of 102112046 is about 467.4038938059.

Adding to 102112046 its reverse (640211201), we get a palindrome (742323247).

The spelling of 102112046 in words is "one hundred two million, one hundred twelve thousand, forty-six".