120251343151 has 4 divisors (see below), whose sum is σ = 122520236472. Its totient is φ = 117982449832.

The previous prime is 120251343133. The next prime is 120251343209. The reversal of 120251343151 is 151343152021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151343152021 = 15131 ⋅10002191.

It is a cyclic number.

It is not a de Polignac number, because 120251343151 - 2¹⁷ = 120251212079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120251343551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1134446581 + ... + 1134446686.

It is an arithmetic number, because the mean of its divisors is an integer number (30630059118).

Almost surely, 2^120251343151 is an apocalyptic number.

120251343151 is a deficient number, since it is larger than the sum of its proper divisors (2268893321).

120251343151 is an equidigital number, since it uses as much as digits as its factorization.

120251343151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268893320.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 120251343151 its reverse (151343152021), we get a palindrome (271594495172).

The spelling of 120251343151 in words is "one hundred twenty billion, two hundred fifty-one million, three hundred forty-three thousand, one hundred fifty-one".