122143031 has 4 divisors (see below), whose sum is σ = 125444232. Its totient is φ = 118841832.

The previous prime is 122143019. The next prime is 122143051. The reversal of 122143031 is 130341221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130341221 = 5653 ⋅23057.

It is a cyclic number.

It is not a de Polignac number, because 122143031 - 2¹⁴ = 122126647 is a prime.

It is a super-2 number, since 2×122143031² = 29837840043733922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122143051) 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, 1650545 + ... + 1650618.

It is an arithmetic number, because the mean of its divisors is an integer number (31361058).

Almost surely, 2^122143031 is an apocalyptic number.

122143031 is a deficient number, since it is larger than the sum of its proper divisors (3301201).

122143031 is an equidigital number, since it uses as much as digits as its factorization.

122143031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3301200.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 122143031 is about 11051.8338297316. The cubic root of 122143031 is about 496.1613123747.

Adding to 122143031 its reverse (130341221), we get a palindrome (252484252).

The spelling of 122143031 in words is "one hundred twenty-two million, one hundred forty-three thousand, thirty-one".