1426401061 has 2 divisors, whose sum is σ = 1426401062. Its totient is φ = 1426401060.

The previous prime is 1426401043. The next prime is 1426401103. The reversal of 1426401061 is 1601046241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1377820161 + 48580900 = 37119^2 + 6970^2 .

It is a cyclic number.

It is not a de Polignac number, because 1426401061 - 2¹⁷ = 1426269989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426401001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713200530 + 713200531.

It is an arithmetic number, because the mean of its divisors is an integer number (713200531).

Almost surely, 2^1426401061 is an apocalyptic number.

It is an amenable number.

1426401061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426401061 is an equidigital number, since it uses as much as digits as its factorization.

1426401061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1426401061 is about 37767.7251234437. The cubic root of 1426401061 is about 1125.6772379237.

The spelling of 1426401061 in words is "one billion, four hundred twenty-six million, four hundred one thousand, sixty-one".