151120643 has 4 divisors (see below), whose sum is σ = 151168968. Its totient is φ = 151072320.

The previous prime is 151120639. The next prime is 151120657. The reversal of 151120643 is 346021151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151120643 - 2² = 151120639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151128643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19121 + ... + 25842.

It is an arithmetic number, because the mean of its divisors is an integer number (37792242).

Almost surely, 2^151120643 is an apocalyptic number.

151120643 is a deficient number, since it is larger than the sum of its proper divisors (48325).

151120643 is an equidigital number, since it uses as much as digits as its factorization.

151120643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48324.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 151120643 is about 12293.1136413848. The cubic root of 151120643 is about 532.6491818278.

Adding to 151120643 its reverse (346021151), we get a palindrome (497141794).

The spelling of 151120643 in words is "one hundred fifty-one million, one hundred twenty thousand, six hundred forty-three".