120143351 has 4 divisors (see below), whose sum is σ = 120225000. Its totient is φ = 120061704.

The previous prime is 120143347. The next prime is 120143357. The reversal of 120143351 is 153341021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153341021 = 727 ⋅210923.

It is a cyclic number.

It is not a de Polignac number, because 120143351 - 2² = 120143347 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 (120143357) 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, 38576 + ... + 41573.

It is an arithmetic number, because the mean of its divisors is an integer number (30056250).

Almost surely, 2^120143351 is an apocalyptic number.

120143351 is a deficient number, since it is larger than the sum of its proper divisors (81649).

120143351 is an equidigital number, since it uses as much as digits as its factorization.

120143351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81648.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 120143351 is about 10960.9922452304. The cubic root of 120143351 is about 493.4387444684.

Adding to 120143351 its reverse (153341021), we get a palindrome (273484372).

The spelling of 120143351 in words is "one hundred twenty million, one hundred forty-three thousand, three hundred fifty-one".