123541801 has 2 divisors, whose sum is σ = 123541802. Its totient is φ = 123541800.

The previous prime is 123541793. The next prime is 123541813. The reversal of 123541801 is 108145321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106069401 + 17472400 = 10299^2 + 4180^2 .

It is a cyclic number.

It is not a de Polignac number, because 123541801 - 2³ = 123541793 is a prime.

It is not a weakly prime, because it can be changed into another prime (123541861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61770900 + 61770901.

It is an arithmetic number, because the mean of its divisors is an integer number (61770901).

Almost surely, 2^123541801 is an apocalyptic number.

It is an amenable number.

123541801 is a deficient number, since it is larger than the sum of its proper divisors (1).

123541801 is an equidigital number, since it uses as much as digits as its factorization.

123541801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 123541801 is about 11114.9359422356. The cubic root of 123541801 is about 498.0481249493.

The spelling of 123541801 in words is "one hundred twenty-three million, five hundred forty-one thousand, eight hundred one".