1242942 has 16 divisors (see below), whose sum is σ = 2616960. Its totient is φ = 392472.

The previous prime is 1242937. The next prime is 1242947. The reversal of 1242942 is 2492421.

It is an interprime number because it is at equal distance from previous prime (1242937) and next prime (1242947).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5338 + ... + 5565.

It is an arithmetic number, because the mean of its divisors is an integer number (163560).

2^1242942 is an apocalyptic number.

1242942 is an abundant number, since it is smaller than the sum of its proper divisors (1374018).

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

1242942 is a wasteful number, since it uses less digits than its factorization.

1242942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10927.

The product of its digits is 1152, while the sum is 24.

The square root of 1242942 is about 1114.8730869476. The cubic root of 1242942 is about 107.5186050366.

The spelling of 1242942 in words is "one million, two hundred forty-two thousand, nine hundred forty-two".