1250000126250 has 40 divisors (see below), whose sum is σ = 3124000324896. Its totient is φ = 333333366000.

The previous prime is 1250000126231. The next prime is 1250000126257. The reversal of 1250000126250 is 526210000521.

It is a happy number.

1250000126250 is a modest number, since divided by 126250 gives 12500 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1250000126250.

It is not an unprimeable number, because it can be changed into a prime (1250000126257) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 166662934 + ... + 166670433.

Almost surely, 2^{1250000126250} is an apocalyptic number.

1250000126250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1250000126250 is an abundant number, since it is smaller than the sum of its proper divisors (1874000198646).

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

1250000126250 is an equidigital number, since it uses as much as digits as its factorization.

1250000126250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333333392 (or 333333377 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 1250000126250 its reverse (526210000521), we get a palindrome (1776210126771).

The spelling of 1250000126250 in words is "one trillion, two hundred fifty billion, one hundred twenty-six thousand, two hundred fifty".