1042401021193 has 16 divisors (see below), whose sum is σ = 1263541797504. Its totient is φ = 839495911680.

The previous prime is 1042401021131. The next prime is 1042401021197. The reversal of 1042401021193 is 3911201042401.

It is a cyclic number.

It is not a de Polignac number, because 1042401021193 - 2¹³ = 1042401013001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1042401021197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7391538 + ... + 7531243.

It is an arithmetic number, because the mean of its divisors is an integer number (78971362344).

Almost surely, 2^{1042401021193} is an apocalyptic number.

It is an amenable number.

1042401021193 is a deficient number, since it is larger than the sum of its proper divisors (221140776311).

1042401021193 is a wasteful number, since it uses less digits than its factorization.

1042401021193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14923392.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 1042401021193 its reverse (3911201042401), we get a palindrome (4953602063594).

The spelling of 1042401021193 in words is "one trillion, forty-two billion, four hundred one million, twenty-one thousand, one hundred ninety-three".