121340304541 has 16 divisors (see below), whose sum is σ = 129472646400. Its totient is φ = 113321875968.

The previous prime is 121340304511. The next prime is 121340304551. The reversal of 121340304541 is 145403043121.

It is not a de Polignac number, because 121340304541 - 2⁷ = 121340304413 is a prime.

It is a super-2 number, since 2×121340304541² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121340304511) 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, 1097065 + ... + 1202593.

It is an arithmetic number, because the mean of its divisors is an integer number (8092040400).

Almost surely, 2^121340304541 is an apocalyptic number.

It is an amenable number.

121340304541 is a deficient number, since it is larger than the sum of its proper divisors (8132341859).

121340304541 is a wasteful number, since it uses less digits than its factorization.

121340304541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106068.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 121340304541 its reverse (145403043121), we get a palindrome (266743347662).

The spelling of 121340304541 in words is "one hundred twenty-one billion, three hundred forty million, three hundred four thousand, five hundred forty-one".