1250666341 has 4 divisors (see below), whose sum is σ = 1284468172. Its totient is φ = 1216864512.

The previous prime is 1250666323. The next prime is 1250666371. The reversal of 1250666341 is 1436660521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1436660521 = 197 ⋅7292693.

It can be written as a sum of positive squares in 2 ways, for example, as 1151584225 + 99082116 = 33935^2 + 9954^2 .

It is a cyclic number.

It is not a de Polignac number, because 1250666341 - 2⁷ = 1250666213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1250666297 and 1250666306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250666371) 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, 16900860 + ... + 16900933.

It is an arithmetic number, because the mean of its divisors is an integer number (321117043).

Almost surely, 2^1250666341 is an apocalyptic number.

It is an amenable number.

1250666341 is a deficient number, since it is larger than the sum of its proper divisors (33801831).

1250666341 is an equidigital number, since it uses as much as digits as its factorization.

1250666341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33801830.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1250666341 is about 35364.7612886048. The cubic root of 1250666341 is about 1077.4087227693.

The spelling of 1250666341 in words is "one billion, two hundred fifty million, six hundred sixty-six thousand, three hundred forty-one".