123527401 has 2 divisors, whose sum is σ = 123527402. Its totient is φ = 123527400.

The previous prime is 123527387. The next prime is 123527413. The reversal of 123527401 is 104725321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120890025 + 2637376 = 10995^2 + 1624^2 .

It is a cyclic number.

It is not a de Polignac number, because 123527401 - 2²¹ = 121430249 is a prime.

It is not a weakly prime, because it can be changed into another prime (123527101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61763700 + 61763701.

It is an arithmetic number, because the mean of its divisors is an integer number (61763701).

Almost surely, 2^123527401 is an apocalyptic number.

It is an amenable number.

123527401 is a deficient number, since it is larger than the sum of its proper divisors (1).

123527401 is an equidigital number, since it uses as much as digits as its factorization.

123527401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 123527401 is about 11114.2881463457. The cubic root of 123527401 is about 498.0287734110.

The spelling of 123527401 in words is "one hundred twenty-three million, five hundred twenty-seven thousand, four hundred one".