122630231 has 4 divisors (see below), whose sum is σ = 129843792. Its totient is φ = 115416672.

The previous prime is 122630219. The next prime is 122630251. The reversal of 122630231 is 132036221.

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: 132036221 = 1399 ⋅94379.

It is a de Polignac number, because none of the positive numbers 2^k-122630231 is a prime.

It is a super-2 number, since 2×122630231² = 30076347110226722, 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 (122630251) 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, 3606755 + ... + 3606788.

It is an arithmetic number, because the mean of its divisors is an integer number (32460948).

Almost surely, 2^122630231 is an apocalyptic number.

122630231 is a deficient number, since it is larger than the sum of its proper divisors (7213561).

122630231 is an equidigital number, since it uses as much as digits as its factorization.

122630231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7213560.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 122630231 is about 11073.8534846728. The cubic root of 122630231 is about 496.8201276957.

Adding to 122630231 its reverse (132036221), we get a palindrome (254666452).

The spelling of 122630231 in words is "one hundred twenty-two million, six hundred thirty thousand, two hundred thirty-one".