122143011 has 8 divisors (see below), whose sum is σ = 172437264. Its totient is φ = 76638720.

The previous prime is 122143003. The next prime is 122143019. The reversal of 122143011 is 110341221.

It is an interprime number because it is at equal distance from previous prime (122143003) and next prime (122143019).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122143011 - 2³ = 122143003 is a prime.

It is a super-2 number, since 2×122143011² = 29837830272292242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122143019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197430 + ... + 1197531.

It is an arithmetic number, because the mean of its divisors is an integer number (21554658).

Almost surely, 2^122143011 is an apocalyptic number.

122143011 is a deficient number, since it is larger than the sum of its proper divisors (50294253).

122143011 is a wasteful number, since it uses less digits than its factorization.

122143011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394981.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 122143011 is about 11051.8329249044. The cubic root of 122143011 is about 496.1612852938.

Adding to 122143011 its reverse (110341221), we get a palindrome (232484232).

It can be divided in two parts, 12214 and 3011, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 122143011 in words is "one hundred twenty-two million, one hundred forty-three thousand, eleven".