123071401 has 2 divisors, whose sum is σ = 123071402. Its totient is φ = 123071400.

The previous prime is 123071393. The next prime is 123071411. The reversal of 123071401 is 104170321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86044176 + 37027225 = 9276^2 + 6085^2 .

It is a cyclic number.

It is not a de Polignac number, because 123071401 - 2³ = 123071393 is a prime.

It is not a weakly prime, because it can be changed into another prime (123071411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61535700 + 61535701.

It is an arithmetic number, because the mean of its divisors is an integer number (61535701).

Almost surely, 2^123071401 is an apocalyptic number.

It is an amenable number.

123071401 is a deficient number, since it is larger than the sum of its proper divisors (1).

123071401 is an equidigital number, since it uses as much as digits as its factorization.

123071401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 123071401 is about 11093.7550450693. The cubic root of 123071401 is about 497.4151952618.

The spelling of 123071401 in words is "one hundred twenty-three million, seventy-one thousand, four hundred one".