121241434131 has 6 divisors (see below), whose sum is σ = 175126515980. Its totient is φ = 80827622748.

The previous prime is 121241434091. The next prime is 121241434163. The reversal of 121241434131 is 131434142121.

It is a happy number.

121241434131 is a `hidden beast` number, since 1 + 2 + 1 + 241 + 4 + 3 + 413 + 1 = 666.

It is not a de Polignac number, because 121241434131 - 2⁹ = 121241433619 is a prime.

It is a super-2 number, since 2×121241434131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121241434095 and 121241434104.

It is not an unprimeable number, because it can be changed into a prime (121241434631) 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, 6735635221 + ... + 6735635238.

Almost surely, 2^121241434131 is an apocalyptic number.

121241434131 is a deficient number, since it is larger than the sum of its proper divisors (53885081849).

121241434131 is a wasteful number, since it uses less digits than its factorization.

121241434131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13471270465 (or 13471270462 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 121241434131 its reverse (131434142121), we get a palindrome (252675576252).

The spelling of 121241434131 in words is "one hundred twenty-one billion, two hundred forty-one million, four hundred thirty-four thousand, one hundred thirty-one".