1241872354534 has 12 divisors (see below), whose sum is σ = 2166940537164. Its totient is φ = 532231009044.

The previous prime is 1241872354517. The next prime is 1241872354537. The reversal of 1241872354534 is 4354532781421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241872354537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6336083344 + ... + 6336083539.

It is an arithmetic number, because the mean of its divisors is an integer number (180578378097).

Almost surely, 2^{1241872354534} is an apocalyptic number.

1241872354534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1241872354534 is a deficient number, since it is larger than the sum of its proper divisors (925068182630).

1241872354534 is a wasteful number, since it uses less digits than its factorization.

1241872354534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12672166899 (or 12672166892 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 49.

The spelling of 1241872354534 in words is "one trillion, two hundred forty-one billion, eight hundred seventy-two million, three hundred fifty-four thousand, five hundred thirty-four".