1238540 has 12 divisors (see below), whose sum is σ = 2600976. Its totient is φ = 495408.

The previous prime is 1238537. The next prime is 1238551. The reversal of 1238540 is 458321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30944 + ... + 30983.

It is an arithmetic number, because the mean of its divisors is an integer number (216748).

2^1238540 is an apocalyptic number.

1238540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1238540 is an abundant number, since it is smaller than the sum of its proper divisors (1362436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1238540 is a wasteful number, since it uses less digits than its factorization.

1238540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61936 (or 61934 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1238540 is about 1112.8971201329. The cubic root of 1238540 is about 107.3915256975.

The spelling of 1238540 in words is "one million, two hundred thirty-eight thousand, five hundred forty".