126522620231 has 8 divisors (see below), whose sum is σ = 147960008064. Its totient is φ = 105925914360.

The previous prime is 126522620219. The next prime is 126522620243. The reversal of 126522620231 is 132026225621.

It is an interprime number because it is at equal distance from previous prime (126522620219) and next prime (126522620243).

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

It is not a de Polignac number, because 126522620231 - 2¹⁸ = 126522358087 is a prime.

It is a super-2 number, since 2×126522620231² (a number of 23 digits) 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 (126522620251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210170165 + ... + 210170766.

It is an arithmetic number, because the mean of its divisors is an integer number (18495001008).

Almost surely, 2^126522620231 is an apocalyptic number.

126522620231 is a deficient number, since it is larger than the sum of its proper divisors (21437387833).

126522620231 is an equidigital number, since it uses as much as digits as its factorization.

126522620231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420340981.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 126522620231 its reverse (132026225621), we get a palindrome (258548845852).

The spelling of 126522620231 in words is "one hundred twenty-six billion, five hundred twenty-two million, six hundred twenty thousand, two hundred thirty-one".