1402051543121 has 4 divisors (see below), whose sum is σ = 1405381832244. Its totient is φ = 1398721254000.

The previous prime is 1402051543117. The next prime is 1402051543133. The reversal of 1402051543121 is 1213451502041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 383859550096 + 1018191993025 = 619564^2 + 1009055^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402051543121 - 2² = 1402051543117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1402051543171) 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, 1665143930 + ... + 1665144771.

It is an arithmetic number, because the mean of its divisors is an integer number (351345458061).

Almost surely, 2^{1402051543121} is an apocalyptic number.

It is an amenable number.

1402051543121 is a deficient number, since it is larger than the sum of its proper divisors (3330289123).

1402051543121 is an equidigital number, since it uses as much as digits as its factorization.

1402051543121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330289122.

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 1402051543121 in words is "one trillion, four hundred two billion, fifty-one million, five hundred forty-three thousand, one hundred twenty-one".