1042401313061 has 2 divisors, whose sum is σ = 1042401313062. Its totient is φ = 1042401313060.

The previous prime is 1042401313007. The next prime is 1042401313067. The reversal of 1042401313061 is 1603131042401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1029806862436 + 12594450625 = 1014794^2 + 112225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042401313061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1042401313061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042401313067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521200656530 + 521200656531.

It is an arithmetic number, because the mean of its divisors is an integer number (521200656531).

Almost surely, 2^{1042401313061} is an apocalyptic number.

It is an amenable number.

1042401313061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042401313061 is an equidigital number, since it uses as much as digits as its factorization.

1042401313061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 1042401313061 its reverse (1603131042401), we get a palindrome (2645532355462).

The spelling of 1042401313061 in words is "one trillion, forty-two billion, four hundred one million, three hundred thirteen thousand, sixty-one".