1243153102054 has 16 divisors (see below), whose sum is σ = 1975585949568. Its totient is φ = 584667649152.

The previous prime is 1243153102021. The next prime is 1243153102067. The reversal of 1243153102054 is 4502013513421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10740822 + ... + 10855945.

It is an arithmetic number, because the mean of its divisors is an integer number (123474121848).

Almost surely, 2^{1243153102054} is an apocalyptic number.

1243153102054 is a deficient number, since it is larger than the sum of its proper divisors (732432847514).

1243153102054 is a wasteful number, since it uses less digits than its factorization.

1243153102054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21598479.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 1243153102054 its reverse (4502013513421), we get a palindrome (5745166615475).

The spelling of 1243153102054 in words is "one trillion, two hundred forty-three billion, one hundred fifty-three million, one hundred two thousand, fifty-four".