123546001 has 2 divisors, whose sum is σ = 123546002. Its totient is φ = 123546000.

The previous prime is 123545993. The next prime is 123546043. The reversal of 123546001 is 100645321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62331025 + 61214976 = 7895^2 + 7824^2 .

It is a cyclic number.

It is not a de Polignac number, because 123546001 - 2³ = 123545993 is a prime.

It is a super-2 number, since 2×123546001² = 30527228726184002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123546301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61773000 + 61773001.

It is an arithmetic number, because the mean of its divisors is an integer number (61773001).

Almost surely, 2^123546001 is an apocalyptic number.

It is an amenable number.

123546001 is a deficient number, since it is larger than the sum of its proper divisors (1).

123546001 is an equidigital number, since it uses as much as digits as its factorization.

123546001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 123546001 is about 11115.1248755918. The cubic root of 123546001 is about 498.0537688647.

The spelling of 123546001 in words is "one hundred twenty-three million, five hundred forty-six thousand, one".