51124103 has 2 divisors, whose sum is σ = 51124104. Its totient is φ = 51124102.

The previous prime is 51124093. The next prime is 51124123. The reversal of 51124103 is 30142115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51124103 - 2²⁰ = 50075527 is a prime.

It is a super-2 number, since 2×51124103² = 5227347815109218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51124123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25562051 + 25562052.

It is an arithmetic number, because the mean of its divisors is an integer number (25562052).

Almost surely, 2^51124103 is an apocalyptic number.

51124103 is a deficient number, since it is larger than the sum of its proper divisors (1).

51124103 is an equidigital number, since it uses as much as digits as its factorization.

51124103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 51124103 is about 7150.1120970234. The cubic root of 51124103 is about 371.1435353966.

Adding to 51124103 its reverse (30142115), we get a palindrome (81266218).

The spelling of 51124103 in words is "fifty-one million, one hundred twenty-four thousand, one hundred three".