1250007949 has 2 divisors, whose sum is σ = 1250007950. Its totient is φ = 1250007948.

The previous prime is 1250007923. The next prime is 1250008003. The reversal of 1250007949 is 9497000521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1228011849 + 21996100 = 35043^2 + 4690^2 .

It is a cyclic number.

It is not a de Polignac number, because 1250007949 - 2⁵ = 1250007917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1250007449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625003974 + 625003975.

It is an arithmetic number, because the mean of its divisors is an integer number (625003975).

Almost surely, 2^1250007949 is an apocalyptic number.

It is an amenable number.

1250007949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250007949 is an equidigital number, since it uses as much as digits as its factorization.

1250007949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 1250007949 is about 35355.4514749847. The cubic root of 1250007949 is about 1077.2196284246.

The spelling of 1250007949 in words is "one billion, two hundred fifty million, seven thousand, nine hundred forty-nine".