1042401103787 has 2 divisors, whose sum is σ = 1042401103788. Its totient is φ = 1042401103786.

The previous prime is 1042401103747. The next prime is 1042401103801. The reversal of 1042401103787 is 7873011042401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042401103787 is a prime.

It is a super-2 number, since 2×1042401103787² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1042401103787.

It is not a weakly prime, because it can be changed into another prime (1042401103727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521200551893 + 521200551894.

It is an arithmetic number, because the mean of its divisors is an integer number (521200551894).

Almost surely, 2^{1042401103787} is an apocalyptic number.

1042401103787 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042401103787 is an equidigital number, since it uses as much as digits as its factorization.

1042401103787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 38.

The spelling of 1042401103787 in words is "one trillion, forty-two billion, four hundred one million, one hundred three thousand, seven hundred eighty-seven".