122151502743 has 4 divisors (see below), whose sum is σ = 162868670328. Its totient is φ = 81434335160.

The previous prime is 122151502741. The next prime is 122151502763. The reversal of 122151502743 is 347205151221.

It is a happy number.

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 122151502743 - 2¹ = 122151502741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122151502741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20358583788 + ... + 20358583793.

It is an arithmetic number, because the mean of its divisors is an integer number (40717167582).

Almost surely, 2^122151502743 is an apocalyptic number.

122151502743 is a deficient number, since it is larger than the sum of its proper divisors (40717167585).

122151502743 is an equidigital number, since it uses as much as digits as its factorization.

122151502743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40717167584.

The product of its (nonzero) digits is 16800, while the sum is 33.

Adding to 122151502743 its reverse (347205151221), we get a palindrome (469356653964).

The spelling of 122151502743 in words is "one hundred twenty-two billion, one hundred fifty-one million, five hundred two thousand, seven hundred forty-three".