1014001021652 has 12 divisors (see below), whose sum is σ = 1778926982196. Its totient is φ = 505736169600.

The previous prime is 1014001021633. The next prime is 1014001021673. The reversal of 1014001021652 is 2561201004101.

It can be written as a sum of positive squares in 2 ways, for example, as 798513811216 + 215487210436 = 893596^2 + 464206^2 .

It is a super-2 number, since 2×1014001021652² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316083503 + ... + 316086710.

It is an arithmetic number, because the mean of its divisors is an integer number (148243915183).

Almost surely, 2^{1014001021652} is an apocalyptic number.

It is an amenable number.

1014001021652 is a deficient number, since it is larger than the sum of its proper divisors (764925960544).

1014001021652 is a wasteful number, since it uses less digits than its factorization.

1014001021652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632170618 (or 632170616 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 1014001021652 its reverse (2561201004101), we get a palindrome (3575202025753).

The spelling of 1014001021652 in words is "one trillion, fourteen billion, one million, twenty-one thousand, six hundred fifty-two".