125750252690 has 32 divisors (see below), whose sum is σ = 235999457280. Its totient is φ = 48183194304.

The previous prime is 125750252657. The next prime is 125750252743. The reversal of 125750252690 is 96252057521.

It is a super-2 number, since 2×125750252690² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1670342 + ... + 1744001.

It is an arithmetic number, because the mean of its divisors is an integer number (7374983040).

Almost surely, 2^125750252690 is an apocalyptic number.

125750252690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125750252690 is a deficient number, since it is larger than the sum of its proper divisors (110249204590).

125750252690 is a wasteful number, since it uses less digits than its factorization.

125750252690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414506.

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 125750252690 in words is "one hundred twenty-five billion, seven hundred fifty million, two hundred fifty-two thousand, six hundred ninety".