1401051559 has 2 divisors, whose sum is σ = 1401051560. Its totient is φ = 1401051558.

The previous prime is 1401051523. The next prime is 1401051569. The reversal of 1401051559 is 9551501041.

It is a strong prime.

It is an emirp because it is prime and its reverse (9551501041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1401051559 - 2²⁷ = 1266833831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1401051559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401051569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700525779 + 700525780.

It is an arithmetic number, because the mean of its divisors is an integer number (700525780).

Almost surely, 2^1401051559 is an apocalyptic number.

1401051559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401051559 is an equidigital number, since it uses as much as digits as its factorization.

1401051559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 1401051559 is about 37430.6232782731. The cubic root of 1401051559 is about 1118.9689594670.

The spelling of 1401051559 in words is "one billion, four hundred one million, fifty-one thousand, five hundred fifty-nine".