1042400344103 has 8 divisors (see below), whose sum is σ = 1043747905200. Its totient is φ = 1041053162688.

The previous prime is 1042400344039. The next prime is 1042400344121. The reversal of 1042400344103 is 3014430042401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1042400344103 - 2⁶ = 1042400344039 is a prime.

It is a super-6 number, since 6×1042400344103⁶ (a number of 73 digits) contains 666666 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042400344123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5620883 + ... + 5803371.

It is an arithmetic number, because the mean of its divisors is an integer number (130468488150).

Almost surely, 2^{1042400344103} is an apocalyptic number.

1042400344103 is a deficient number, since it is larger than the sum of its proper divisors (1347561097).

1042400344103 is an equidigital number, since it uses as much as digits as its factorization.

1042400344103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189841.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1042400344103 its reverse (3014430042401), we get a palindrome (4056830386504).

The spelling of 1042400344103 in words is "one trillion, forty-two billion, four hundred million, three hundred forty-four thousand, one hundred three".