2051123 has 2 divisors, whose sum is σ = 2051124. Its totient is φ = 2051122.

The previous prime is 2051113. The next prime is 2051167. The reversal of 2051123 is 3211502.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2051123 - 2⁶ = 2051059 is a prime.

It is a super-2 number, since 2×2051123² = 8414211122258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2051098 and 2051107.

It is not a weakly prime, because it can be changed into another prime (2051113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025561 + 1025562.

It is an arithmetic number, because the mean of its divisors is an integer number (1025562).

2^2051123 is an apocalyptic number.

2051123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051123 is an equidigital number, since it uses as much as digits as its factorization.

2051123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2051123 is about 1432.1742212454. The cubic root of 2051123 is about 127.0566015499.

Adding to 2051123 its reverse (3211502), we get a palindrome (5262625).

The spelling of 2051123 in words is "two million, fifty-one thousand, one hundred twenty-three".