1274149 has 2 divisors, whose sum is σ = 1274150. Its totient is φ = 1274148.

The previous prime is 1274137. The next prime is 1274183. The reversal of 1274149 is 9414721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1014049 + 260100 = 1007^2 + 510^2 .

It is a cyclic number.

It is not a de Polignac number, because 1274149 - 2⁹ = 1273637 is a prime.

It is an Ulam number.

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

It is equal to p₉₈₂₀₉ and since 1274149 and 98209 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1274129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637074 + 637075.

It is an arithmetic number, because the mean of its divisors is an integer number (637075).

2^1274149 is an apocalyptic number.

It is an amenable number.

1274149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1274149 is an equidigital number, since it uses as much as digits as its factorization.

1274149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 28.

The square root of 1274149 is about 1128.7820870301. The cubic root of 1274149 is about 108.4110138453.

The spelling of 1274149 in words is "one million, two hundred seventy-four thousand, one hundred forty-nine".