1250725829 has 4 divisors (see below), whose sum is σ = 1250933100. Its totient is φ = 1250518560.

The previous prime is 1250725799. The next prime is 1250725843. The reversal of 1250725829 is 9285270521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 315772900 + 934952929 = 17770^2 + 30577^2 .

It is a cyclic number.

It is not a de Polignac number, because 1250725829 - 2⁸ = 1250725573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250725849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94304 + ... + 106745.

It is an arithmetic number, because the mean of its divisors is an integer number (312733275).

Almost surely, 2^1250725829 is an apocalyptic number.

It is an amenable number.

1250725829 is a deficient number, since it is larger than the sum of its proper divisors (207271).

1250725829 is an equidigital number, since it uses as much as digits as its factorization.

1250725829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207270.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 1250725829 is about 35365.6023418236. The cubic root of 1250725829 is about 1077.4258048297.

The spelling of 1250725829 in words is "one billion, two hundred fifty million, seven hundred twenty-five thousand, eight hundred twenty-nine".