1242888 has 16 divisors (see below), whose sum is σ = 3107280. Its totient is φ = 414288.

The previous prime is 1242869. The next prime is 1242889. The reversal of 1242888 is 8882421.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1242889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25870 + ... + 25917.

It is an arithmetic number, because the mean of its divisors is an integer number (194205).

2^1242888 is an apocalyptic number.

It is an amenable number.

1242888 is an abundant number, since it is smaller than the sum of its proper divisors (1864392).

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

1242888 is a wasteful number, since it uses less digits than its factorization.

1242888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51796 (or 51792 counting only the distinct ones).

The product of its digits is 8192, while the sum is 33.

The square root of 1242888 is about 1114.8488686813. The cubic root of 1242888 is about 107.5170479543.

The spelling of 1242888 in words is "one million, two hundred forty-two thousand, eight hundred eighty-eight".