1250149 has 2 divisors, whose sum is σ = 1250150. Its totient is φ = 1250148.

The previous prime is 1250147. The next prime is 1250173. The reversal of 1250149 is 9410521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1249924 + 225 = 1118^2 + 15^2 .

It is a cyclic number.

It is not a de Polignac number, because 1250149 - 2¹ = 1250147 is a prime.

Together with 1250147, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1250141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625074 + 625075.

It is an arithmetic number, because the mean of its divisors is an integer number (625075).

2^1250149 is an apocalyptic number.

It is an amenable number.

1250149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250149 is an equidigital number, since it uses as much as digits as its factorization.

1250149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1250149 is about 1118.1006215900. The cubic root of 1250149 is about 107.7260144751.

The spelling of 1250149 in words is "one million, two hundred fifty thousand, one hundred forty-nine".