1253301052442 has 16 divisors (see below), whose sum is σ = 1898933573160. Its totient is φ = 620354287872.

The previous prime is 1253301052439. The next prime is 1253301052447. The reversal of 1253301052442 is 2442501033521.

It can be written as a sum of positive squares in 4 ways, for example, as 1018765216921 + 234535835521 = 1009339^2 + 484289^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1253301052399 and 1253301052408.

It is not an unprimeable number, because it can be changed into a prime (1253301052447) 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 7 ways as a sum of consecutive naturals, for example, 7692467 + ... + 7853702.

Almost surely, 2^{1253301052442} is an apocalyptic number.

1253301052442 is a deficient number, since it is larger than the sum of its proper divisors (645632520718).

1253301052442 is a wasteful number, since it uses less digits than its factorization.

1253301052442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15546577.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 1253301052442 its reverse (2442501033521), we get a palindrome (3695802085963).

The spelling of 1253301052442 in words is "one trillion, two hundred fifty-three billion, three hundred one million, fifty-two thousand, four hundred forty-two".