1052402354121 has 16 divisors (see below), whose sum is σ = 1464906801600. Its totient is φ = 671193649728.

The previous prime is 1052402354119. The next prime is 1052402354131. The reversal of 1052402354121 is 1214532042501.

It is not a de Polignac number, because 1052402354121 - 2¹ = 1052402354119 is a prime.

It is a super-2 number, since 2×1052402354121² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1052402354111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55479411 + ... + 55498376.

It is an arithmetic number, because the mean of its divisors is an integer number (91556675100).

Almost surely, 2^{1052402354121} is an apocalyptic number.

It is an amenable number.

1052402354121 is a deficient number, since it is larger than the sum of its proper divisors (412504447479).

1052402354121 is a wasteful number, since it uses less digits than its factorization.

1052402354121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110977928.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1052402354121 its reverse (1214532042501), we get a palindrome (2266934396622).

The spelling of 1052402354121 in words is "one trillion, fifty-two billion, four hundred two million, three hundred fifty-four thousand, one hundred twenty-one".