5101123 has 4 divisors (see below), whose sum is σ = 5129488. Its totient is φ = 5072760.

The previous prime is 5101099. The next prime is 5101127. The reversal of 5101123 is 3211015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5101123 - 2⁹ = 5100611 is a prime.

It is a super-2 number, since 2×5101123² = 52042911722258, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5101127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13911 + ... + 14272.

It is an arithmetic number, because the mean of its divisors is an integer number (1282372).

Almost surely, 2^5101123 is an apocalyptic number.

5101123 is a deficient number, since it is larger than the sum of its proper divisors (28365).

5101123 is a wasteful number, since it uses less digits than its factorization.

5101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28364.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 5101123 is about 2258.5665808207. The cubic root of 5101123 is about 172.1426952670.

Adding to 5101123 its reverse (3211015), we get a palindrome (8312138).

The spelling of 5101123 in words is "five million, one hundred one thousand, one hundred twenty-three".