120302001551 has 4 divisors (see below), whose sum is σ = 120521932632. Its totient is φ = 120082070472.

The previous prime is 120302001511. The next prime is 120302001563. The reversal of 120302001551 is 155100203021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155100203021 = 41 ⋅3782931781.

It is a cyclic number.

It is not a de Polignac number, because 120302001551 - 2²² = 120297807247 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 (120302001511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109964720 + ... + 109965813.

It is an arithmetic number, because the mean of its divisors is an integer number (30130483158).

Almost surely, 2^120302001551 is an apocalyptic number.

120302001551 is a deficient number, since it is larger than the sum of its proper divisors (219931081).

120302001551 is an equidigital number, since it uses as much as digits as its factorization.

120302001551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219931080.

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 120302001551 its reverse (155100203021), we get a palindrome (275402204572).

The spelling of 120302001551 in words is "one hundred twenty billion, three hundred two million, one thousand, five hundred fifty-one".