123287051 has 2 divisors, whose sum is σ = 123287052. Its totient is φ = 123287050.

The previous prime is 123287011. The next prime is 123287081. The reversal of 123287051 is 150782321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123287051 - 2⁶ = 123286987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123287011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61643525 + 61643526.

It is an arithmetic number, because the mean of its divisors is an integer number (61643526).

Almost surely, 2^123287051 is an apocalyptic number.

123287051 is a deficient number, since it is larger than the sum of its proper divisors (1).

123287051 is an equidigital number, since it uses as much as digits as its factorization.

123287051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 123287051 is about 11103.4702233131. The cubic root of 123287051 is about 497.7055551511.

The spelling of 123287051 in words is "one hundred twenty-three million, two hundred eighty-seven thousand, fifty-one".