1241203131534 has 64 divisors (see below), whose sum is σ = 2568134361600. Its totient is φ = 399619059840.

The previous prime is 1241203131503. The next prime is 1241203131541. The reversal of 1241203131534 is 4351313021421.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19539144 + ... + 19602564.

It is an arithmetic number, because the mean of its divisors is an integer number (40127099400).

Almost surely, 2^{1241203131534} is an apocalyptic number.

1241203131534 is an abundant number, since it is smaller than the sum of its proper divisors (1326931230066).

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

1241203131534 is a wasteful number, since it uses less digits than its factorization.

1241203131534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64105.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 1241203131534 its reverse (4351313021421), we get a palindrome (5592516152955).

The spelling of 1241203131534 in words is "one trillion, two hundred forty-one billion, two hundred three million, one hundred thirty-one thousand, five hundred thirty-four".