1241520111044 has 12 divisors (see below), whose sum is σ = 2192965430544. Its totient is φ = 614958559464.

The previous prime is 1241520111023. The next prime is 1241520111047. The reversal of 1241520111044 is 4401110251421.

It is a happy number.

It is a super-2 number, since 2×1241520111044² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1241520111047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1450373534 + ... + 1450374389.

It is an arithmetic number, because the mean of its divisors is an integer number (182747119212).

Almost surely, 2^{1241520111044} is an apocalyptic number.

It is an amenable number.

1241520111044 is a deficient number, since it is larger than the sum of its proper divisors (951445319500).

1241520111044 is a wasteful number, since it uses less digits than its factorization.

1241520111044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900748034 (or 2900748032 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

Adding to 1241520111044 its reverse (4401110251421), we get a palindrome (5642630362465).

The spelling of 1241520111044 in words is "one trillion, two hundred forty-one billion, five hundred twenty million, one hundred eleven thousand, forty-four".