1242260 has 24 divisors (see below), whose sum is σ = 2630880. Its totient is φ = 492704.

The previous prime is 1242251. The next prime is 1242271. The reversal of 1242260 is 622421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3407 + ... + 3753.

It is an arithmetic number, because the mean of its divisors is an integer number (109620).

2^1242260 is an apocalyptic number.

1242260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242260 is an abundant number, since it is smaller than the sum of its proper divisors (1388620).

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

1242260 is a wasteful number, since it uses less digits than its factorization.

1242260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1242260 is about 1114.5671805683. The cubic root of 1242260 is about 107.4989363515.

Adding to 1242260 its reverse (622421), we get a palindrome (1864681).

The spelling of 1242260 in words is "one million, two hundred forty-two thousand, two hundred sixty".