122140251441 has 48 divisors (see below), whose sum is σ = 207661708800. Its totient is φ = 68459834880.

The previous prime is 122140251437. The next prime is 122140251463. The reversal of 122140251441 is 144152041221.

122140251441 is a `hidden beast` number, since 1 + 2 + 2 + 140 + 2 + 514 + 4 + 1 = 666.

It is not a de Polignac number, because 122140251441 - 2² = 122140251437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122140251481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 928791 + ... + 1052108.

It is an arithmetic number, because the mean of its divisors is an integer number (4326285600).

Almost surely, 2^122140251441 is an apocalyptic number.

It is an amenable number.

122140251441 is a deficient number, since it is larger than the sum of its proper divisors (85521457359).

122140251441 is a wasteful number, since it uses less digits than its factorization.

122140251441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980966 (or 1980963 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 122140251441 its reverse (144152041221), we get a palindrome (266292292662).

The spelling of 122140251441 in words is "one hundred twenty-two billion, one hundred forty million, two hundred fifty-one thousand, four hundred forty-one".