1042452121051 has 32 divisors (see below), whose sum is σ = 1231930183680. Its totient is φ = 871567257600.

The previous prime is 1042452121031. The next prime is 1042452121057. The reversal of 1042452121051 is 1501212542401.

It is a cyclic number.

It is not a de Polignac number, because 1042452121051 - 2¹⁷ = 1042451989979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042452121057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1069246 + ... + 1796716.

It is an arithmetic number, because the mean of its divisors is an integer number (38497818240).

Almost surely, 2^{1042452121051} is an apocalyptic number.

1042452121051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1042452121051 is a deficient number, since it is larger than the sum of its proper divisors (189478062629).

1042452121051 is a wasteful number, since it uses less digits than its factorization.

1042452121051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727675.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 1042452121051 its reverse (1501212542401), we get a palindrome (2543664663452).

The spelling of 1042452121051 in words is "one trillion, forty-two billion, four hundred fifty-two million, one hundred twenty-one thousand, fifty-one".