1242153450054 has 48 divisors (see below), whose sum is σ = 2985761787840. Its totient is φ = 370030300080.

The previous prime is 1242153449947. The next prime is 1242153450067. The reversal of 1242153450054 is 4500543512421.

1242153450054 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 153 + 450 + 0 + 54 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53153592 + ... + 53176955.

It is an arithmetic number, because the mean of its divisors is an integer number (62203370580).

Almost surely, 2^{1242153450054} is an apocalyptic number.

1242153450054 is an abundant number, since it is smaller than the sum of its proper divisors (1743608337786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242153450054 is a wasteful number, since it uses less digits than its factorization.

1242153450054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106330625 (or 106330622 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 1242153450054 its reverse (4500543512421), we get a palindrome (5742696962475).

The spelling of 1242153450054 in words is "one trillion, two hundred forty-two billion, one hundred fifty-three million, four hundred fifty thousand, fifty-four".