123254051 has 2 divisors, whose sum is σ = 123254052. Its totient is φ = 123254050.

The previous prime is 123254017. The next prime is 123254057. The reversal of 123254051 is 150452321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123254051 is a prime.

It is a super-2 number, since 2×123254051² = 30383122175821202, which contains 22 as substring.

It is equal to p_7016306 and since 123254051 and 7016306 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (123254057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61627025 + 61627026.

It is an arithmetic number, because the mean of its divisors is an integer number (61627026).

Almost surely, 2^123254051 is an apocalyptic number.

123254051 is a deficient number, since it is larger than the sum of its proper divisors (1).

123254051 is an equidigital number, since it uses as much as digits as its factorization.

123254051 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 123254051 is about 11101.9841019522. The cubic root of 123254051 is about 497.6611445694.

The spelling of 123254051 in words is "one hundred twenty-three million, two hundred fifty-four thousand, fifty-one".