1254644 has 6 divisors (see below), whose sum is σ = 2195634. Its totient is φ = 627320.

The previous prime is 1254637. The next prime is 1254647. The reversal of 1254644 is 4464521.

It can be written as a sum of positive squares in only one way, i.e., 1123600 + 131044 = 1060^2 + 362^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156827 + ... + 156834.

It is an arithmetic number, because the mean of its divisors is an integer number (365939).

2^1254644 is an apocalyptic number.

It is an amenable number.

1254644 is a deficient number, since it is larger than the sum of its proper divisors (940990).

1254644 is a wasteful number, since it uses less digits than its factorization.

1254644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313665 (or 313663 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 1254644 is about 1120.1089232749. The cubic root of 1254644 is about 107.8549722320.

The spelling of 1254644 in words is "one million, two hundred fifty-four thousand, six hundred forty-four".