1321124201241 has 16 divisors (see below), whose sum is σ = 1948269094464. Its totient is φ = 791026547904.

The previous prime is 1321124201191. The next prime is 1321124201303. The reversal of 1321124201241 is 1421024211231.

It is not a de Polignac number, because 1321124201241 - 2²¹ = 1321122104089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1321124201141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457768551 + ... + 457771436.

It is an arithmetic number, because the mean of its divisors is an integer number (121766818404).

Almost surely, 2^{1321124201241} is an apocalyptic number.

It is an amenable number.

1321124201241 is a deficient number, since it is larger than the sum of its proper divisors (627144893223).

1321124201241 is a wasteful number, since it uses less digits than its factorization.

1321124201241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915540040.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1321124201241 its reverse (1421024211231), we get a palindrome (2742148412472).

The spelling of 1321124201241 in words is "one trillion, three hundred twenty-one billion, one hundred twenty-four million, two hundred one thousand, two hundred forty-one".