1052420521401 has 12 divisors (see below), whose sum is σ = 1520280775728. Its totient is φ = 701559311544.

The previous prime is 1052420521391. The next prime is 1052420521417. The reversal of 1052420521401 is 1041250242501.

It is a happy number.

1052420521401 is a `hidden beast` number, since 1 + 0 + 52 + 4 + 205 + 2 + 1 + 401 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1052420521401 is a prime.

It is a super-2 number, since 2×1052420521401² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052420521441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4408015 + ... + 4640628.

It is an arithmetic number, because the mean of its divisors is an integer number (126690064644).

Almost surely, 2^{1052420521401} is an apocalyptic number.

It is an amenable number.

1052420521401 is a deficient number, since it is larger than the sum of its proper divisors (467860254327).

1052420521401 is a wasteful number, since it uses less digits than its factorization.

1052420521401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9061572 (or 9061569 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 1052420521401 its reverse (1041250242501), we get a palindrome (2093670763902).

The spelling of 1052420521401 in words is "one trillion, fifty-two billion, four hundred twenty million, five hundred twenty-one thousand, four hundred one".