1241554142125 has 32 divisors (see below), whose sum is σ = 1763811728640. Its totient is φ = 863689816000.

The previous prime is 1241554142111. The next prime is 1241554142159. The reversal of 1241554142125 is 5212414551421.

It is a happy number.

It is not a de Polignac number, because 1241554142125 - 2¹³ = 1241554133933 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 19597690 + ... + 19660939.

It is an arithmetic number, because the mean of its divisors is an integer number (55119116520).

Almost surely, 2^{1241554142125} is an apocalyptic number.

It is an amenable number.

1241554142125 is a deficient number, since it is larger than the sum of its proper divisors (522257586515).

1241554142125 is a wasteful number, since it uses less digits than its factorization.

1241554142125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39258678 (or 39258668 counting only the distinct ones).

The product of its digits is 64000, while the sum is 37.

Adding to 1241554142125 its reverse (5212414551421), we get a palindrome (6453968693546).

The spelling of 1241554142125 in words is "one trillion, two hundred forty-one billion, five hundred fifty-four million, one hundred forty-two thousand, one hundred twenty-five".