1042364233021 has 4 divisors (see below), whose sum is σ = 1042452349344. Its totient is φ = 1042276116700.

The previous prime is 1042364233019. The next prime is 1042364233087. The reversal of 1042364233021 is 1203324632401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1042364233021 - 2¹ = 1042364233019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042364213021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44040415 + ... + 44064076.

It is an arithmetic number, because the mean of its divisors is an integer number (260613087336).

Almost surely, 2^{1042364233021} is an apocalyptic number.

It is an amenable number.

1042364233021 is a deficient number, since it is larger than the sum of its proper divisors (88116323).

1042364233021 is an equidigital number, since it uses as much as digits as its factorization.

1042364233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88116322.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1042364233021 its reverse (1203324632401), we get a palindrome (2245688865422).

The spelling of 1042364233021 in words is "one trillion, forty-two billion, three hundred sixty-four million, two hundred thirty-three thousand, twenty-one".