120133540421 has 2 divisors, whose sum is σ = 120133540422. Its totient is φ = 120133540420.

The previous prime is 120133540411. The next prime is 120133540447. The reversal of 120133540421 is 124045331021.

It is a happy number.

It is an a-pointer prime, because the next prime (120133540447) can be obtained adding 120133540421 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76468840900 + 43664699521 = 276530^2 + 208961^2 .

It is a cyclic number.

It is not a de Polignac number, because 120133540421 - 2⁶ = 120133540357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120133540411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60066770210 + 60066770211.

It is an arithmetic number, because the mean of its divisors is an integer number (60066770211).

Almost surely, 2^120133540421 is an apocalyptic number.

It is an amenable number.

120133540421 is a deficient number, since it is larger than the sum of its proper divisors (1).

120133540421 is an equidigital number, since it uses as much as digits as its factorization.

120133540421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 120133540421 its reverse (124045331021), we get a palindrome (244178871442).

The spelling of 120133540421 in words is "one hundred twenty billion, one hundred thirty-three million, five hundred forty thousand, four hundred twenty-one".