126222744377 has 8 divisors (see below), whose sum is σ = 126759132360. Its totient is φ = 125686854400.

The previous prime is 126222744359. The next prime is 126222744409. The reversal of 126222744377 is 773447222621.

It can be written as a sum of positive squares in 4 ways, for example, as 152300281 + 126070444096 = 12341^2 + 355064^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 126222744377 - 2¹⁸ = 126222482233 is a prime.

It is a super-2 number, since 2×126222744377² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126222744577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387953 + ... + 634785.

It is an arithmetic number, because the mean of its divisors is an integer number (15844891545).

Almost surely, 2^126222744377 is an apocalyptic number.

It is an amenable number.

126222744377 is a deficient number, since it is larger than the sum of its proper divisors (536387983).

126222744377 is a wasteful number, since it uses less digits than its factorization.

126222744377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249003.

The product of its digits is 1580544, while the sum is 47.

Adding to 126222744377 its reverse (773447222621), we get a palindrome (899669966998).

The spelling of 126222744377 in words is "one hundred twenty-six billion, two hundred twenty-two million, seven hundred forty-four thousand, three hundred seventy-seven".