1054021153442 has 4 divisors (see below), whose sum is σ = 1581031730166. Its totient is φ = 527010576720.

The previous prime is 1054021153441. The next prime is 1054021153517. The reversal of 1054021153442 is 2443511204501.

1054021153442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 793401714361 + 260619439081 = 890731^2 + 510509^2 .

It is a super-2 number, since 2×1054021153442² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1054021153399 and 1054021153408.

It is not an unprimeable number, because it can be changed into a prime (1054021153441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263505288359 + ... + 263505288362.

Almost surely, 2^{1054021153442} is an apocalyptic number.

1054021153442 is a deficient number, since it is larger than the sum of its proper divisors (527010576724).

1054021153442 is an equidigital number, since it uses as much as digits as its factorization.

1054021153442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527010576723.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 1054021153442 its reverse (2443511204501), we get a palindrome (3497532357943).

The spelling of 1054021153442 in words is "one trillion, fifty-four billion, twenty-one million, one hundred fifty-three thousand, four hundred forty-two".