1243954 has 8 divisors (see below), whose sum is σ = 1871388. Its totient is φ = 620160.

The previous prime is 1243951. The next prime is 1243961. The reversal of 1243954 is 4593421.

It can be written as a sum of positive squares in 2 ways, for example, as 1243225 + 729 = 1115^2 + 27^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1243951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234 + ... + 1594.

2^1243954 is an apocalyptic number.

1243954 is a deficient number, since it is larger than the sum of its proper divisors (627434).

1243954 is a wasteful number, since it uses less digits than its factorization.

1243954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820.

The product of its digits is 4320, while the sum is 28.

The square root of 1243954 is about 1115.3268579210. The cubic root of 1243954 is about 107.5477775726.

It can be divided in two parts, 1243 and 954, that added together give a cube (2197 = 13³).

The spelling of 1243954 in words is "one million, two hundred forty-three thousand, nine hundred fifty-four".