126252525250 has 64 divisors (see below), whose sum is σ = 249224976000. Its totient is φ = 47758248000.

The previous prime is 126252525239. The next prime is 126252525271. The reversal of 126252525250 is 52525252621.

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 31 ways as a sum of consecutive naturals, for example, 2688976 + ... + 2735524.

It is an arithmetic number, because the mean of its divisors is an integer number (3894140250).

Almost surely, 2^126252525250 is an apocalyptic number.

126252525250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126252525250 is a deficient number, since it is larger than the sum of its proper divisors (122972450750).

126252525250 is a wasteful number, since it uses less digits than its factorization.

126252525250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47156 (or 47146 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 126252525250 its reverse (52525252621), we get a palindrome (178777777871).

The spelling of 126252525250 in words is "one hundred twenty-six billion, two hundred fifty-two million, five hundred twenty-five thousand, two hundred fifty".