1261449 has 12 divisors (see below), whose sum is σ = 2082496. Its totient is φ = 720792.

The previous prime is 1261427. The next prime is 1261459. The reversal of 1261449 is 9441621.

1261449 is a `hidden beast` number, since 1 + 2 + 614 + 49 = 666.

It is not a de Polignac number, because 1261449 - 2⁷ = 1261321 is a prime.

It is a Duffinian number.

1261449 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1261459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9949 + ... + 10074.

2^1261449 is an apocalyptic number.

It is an amenable number.

1261449 is a deficient number, since it is larger than the sum of its proper divisors (821047).

1261449 is a wasteful number, since it uses less digits than its factorization.

1261449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20036 (or 20033 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1261449 is about 1123.1424664752. The cubic root of 1261449 is about 108.0496171192.

The spelling of 1261449 in words is "one million, two hundred sixty-one thousand, four hundred forty-nine".