1249461 has 6 divisors (see below), whose sum is σ = 1804790. Its totient is φ = 832968.

The previous prime is 1249433. The next prime is 1249477. The reversal of 1249461 is 1649421.

It can be written as a sum of positive squares in only one way, i.e., 980100 + 269361 = 990^2 + 519^2 .

It is not a de Polignac number, because 1249461 - 2⁶ = 1249397 is a prime.

It is a super-2 number, since 2×1249461² = 3122305581042, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

1249461 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69406 + ... + 69423.

2^1249461 is an apocalyptic number.

It is an amenable number.

1249461 is a deficient number, since it is larger than the sum of its proper divisors (555329).

1249461 is a wasteful number, since it uses less digits than its factorization.

1249461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138835 (or 138832 counting only the distinct ones).

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

The square root of 1249461 is about 1117.7929146313. The cubic root of 1249461 is about 107.7062490716.

The spelling of 1249461 in words is "one million, two hundred forty-nine thousand, four hundred sixty-one".