1254788 has 18 divisors (see below), whose sum is σ = 2299374. Its totient is φ = 599104.

The previous prime is 1254767. The next prime is 1254791. The reversal of 1254788 is 8874521.

It can be written as a sum of positive squares in only one way, i.e., 1119364 + 135424 = 1058^2 + 368^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1820 + ... + 2412.

It is an arithmetic number, because the mean of its divisors is an integer number (127743).

2^1254788 is an apocalyptic number.

It is an amenable number.

1254788 is a deficient number, since it is larger than the sum of its proper divisors (1044586).

1254788 is a wasteful number, since it uses less digits than its factorization.

1254788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 618 counting only the distinct ones).

The product of its digits is 17920, while the sum is 35.

The square root of 1254788 is about 1120.1732008935. The cubic root of 1254788 is about 107.8590983750.

It can be divided in two parts, 125 and 4788, that added together give a cube (4913 = 17³).

The spelling of 1254788 in words is "one million, two hundred fifty-four thousand, seven hundred eighty-eight".