123245051 has 2 divisors, whose sum is σ = 123245052. Its totient is φ = 123245050.

The previous prime is 123245047. The next prime is 123245081. The reversal of 123245051 is 150542321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123245051 - 2² = 123245047 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123245011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61622525 + 61622526.

It is an arithmetic number, because the mean of its divisors is an integer number (61622526).

Almost surely, 2^123245051 is an apocalyptic number.

123245051 is a deficient number, since it is larger than the sum of its proper divisors (1).

123245051 is an equidigital number, since it uses as much as digits as its factorization.

123245051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 123245051 is about 11101.5787615996. The cubic root of 123245051 is about 497.6490312168.

Adding to 123245051 its reverse (150542321), we get a palindrome (273787372).

The spelling of 123245051 in words is "one hundred twenty-three million, two hundred forty-five thousand, fifty-one".