126361312254 has 32 divisors (see below), whose sum is σ = 293011741440. Its totient is φ = 40289113656.

The previous prime is 126361312249. The next prime is 126361312261. The reversal of 126361312254 is 452213163621.

126361312254 is a `hidden beast` number, since 1 + 2 + 6 + 3 + 613 + 12 + 25 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50868852 + ... + 50871335.

It is an arithmetic number, because the mean of its divisors is an integer number (9156616920).

Almost surely, 2^126361312254 is an apocalyptic number.

126361312254 is an abundant number, since it is smaller than the sum of its proper divisors (166650429186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126361312254 is a wasteful number, since it uses less digits than its factorization.

126361312254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101740221 (or 101740215 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

Adding to 126361312254 its reverse (452213163621), we get a palindrome (578574475875).

The spelling of 126361312254 in words is "one hundred twenty-six billion, three hundred sixty-one million, three hundred twelve thousand, two hundred fifty-four".