1241155200120 has 128 divisors (see below), whose sum is σ = 4192993658880. Its totient is φ = 291180096000.

The previous prime is 1241155200107. The next prime is 1241155200139. The reversal of 1241155200120 is 210025511421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 15124711 + ... + 15206550.

It is an arithmetic number, because the mean of its divisors is an integer number (32757762960).

Almost surely, 2^{1241155200120} is an apocalyptic number.

1241155200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241155200120 is an abundant number, since it is smaller than the sum of its proper divisors (2951838458760).

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

1241155200120 is a wasteful number, since it uses less digits than its factorization.

1241155200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30331317 (or 30331313 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

It can be divided in two parts, 124115 and 5200120, that added together give a palindrome (5324235).

The spelling of 1241155200120 in words is "one trillion, two hundred forty-one billion, one hundred fifty-five million, two hundred thousand, one hundred twenty".