126263952154 has 8 divisors (see below), whose sum is σ = 199364135040. Its totient is φ = 59809240476.

The previous prime is 126263952109. The next prime is 126263952163. The reversal of 126263952154 is 451259362621.

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

It is a super-2 number, since 2×126263952154² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1661367754 + ... + 1661367829.

It is an arithmetic number, because the mean of its divisors is an integer number (24920516880).

Almost surely, 2^126263952154 is an apocalyptic number.

126263952154 is a deficient number, since it is larger than the sum of its proper divisors (73100182886).

126263952154 is a wasteful number, since it uses less digits than its factorization.

126263952154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322735604.

The product of its digits is 777600, while the sum is 46.

The spelling of 126263952154 in words is "one hundred twenty-six billion, two hundred sixty-three million, nine hundred fifty-two thousand, one hundred fifty-four".