1401298057 has 2 divisors, whose sum is σ = 1401298058. Its totient is φ = 1401298056.

The previous prime is 1401298037. The next prime is 1401298121. The reversal of 1401298057 is 7508921041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 841928256 + 559369801 = 29016^2 + 23651^2 .

It is an emirp because it is prime and its reverse (7508921041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401298057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401298007) 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, 700649028 + 700649029.

It is an arithmetic number, because the mean of its divisors is an integer number (700649029).

Almost surely, 2^1401298057 is an apocalyptic number.

It is an amenable number.

1401298057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401298057 is an equidigital number, since it uses as much as digits as its factorization.

1401298057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 1401298057 is about 37433.9158651616. The cubic root of 1401298057 is about 1119.0345786168.

The spelling of 1401298057 in words is "one billion, four hundred one million, two hundred ninety-eight thousand, fifty-seven".