126441401 has 2 divisors, whose sum is σ = 126441402. Its totient is φ = 126441400.

The previous prime is 126441397. The next prime is 126441407. The reversal of 126441401 is 104144621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87703225 + 38738176 = 9365^2 + 6224^2 .

It is a cyclic number.

It is not a de Polignac number, because 126441401 - 2² = 126441397 is a prime.

It is not a weakly prime, because it can be changed into another prime (126441407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63220700 + 63220701.

It is an arithmetic number, because the mean of its divisors is an integer number (63220701).

Almost surely, 2^126441401 is an apocalyptic number.

It is an amenable number.

126441401 is a deficient number, since it is larger than the sum of its proper divisors (1).

126441401 is an equidigital number, since it uses as much as digits as its factorization.

126441401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 126441401 is about 11244.6165341465. The cubic root of 126441401 is about 501.9145278098.

The spelling of 126441401 in words is "one hundred twenty-six million, four hundred forty-one thousand, four hundred one".