1254536 has 8 divisors (see below), whose sum is σ = 2352270. Its totient is φ = 627264.

The previous prime is 1254529. The next prime is 1254541. The reversal of 1254536 is 6354521.

It can be written as a sum of positive squares in only one way, i.e., 630436 + 624100 = 794^2 + 790^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78401 + ... + 78416.

2^1254536 is an apocalyptic number.

It is an amenable number.

1254536 is a deficient number, since it is larger than the sum of its proper divisors (1097734).

1254536 is a wasteful number, since it uses less digits than its factorization.

1254536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156823 (or 156819 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 1254536 is about 1120.0607126402. The cubic root of 1254536 is about 107.8518774175.

The spelling of 1254536 in words is "one million, two hundred fifty-four thousand, five hundred thirty-six".