120661351 has 2 divisors, whose sum is σ = 120661352. Its totient is φ = 120661350.

The previous prime is 120661339. The next prime is 120661363. The reversal of 120661351 is 153166021.

It is a balanced prime because it is at equal distance from previous prime (120661339) and next prime (120661363).

It is an emirp because it is prime and its reverse (153166021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120661351 - 2¹¹ = 120659303 is a prime.

It is a super-3 number, since 3×120661351³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120661451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60330675 + 60330676.

It is an arithmetic number, because the mean of its divisors is an integer number (60330676).

Almost surely, 2^120661351 is an apocalyptic number.

120661351 is a deficient number, since it is larger than the sum of its proper divisors (1).

120661351 is an equidigital number, since it uses as much as digits as its factorization.

120661351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 120661351 is about 10984.5960781451. The cubic root of 120661351 is about 494.1468840974.

The spelling of 120661351 in words is "one hundred twenty million, six hundred sixty-one thousand, three hundred fifty-one".