1201842 has 24 divisors (see below), whose sum is σ = 2718144. Its totient is φ = 383064.

The previous prime is 1201841. The next prime is 1201843. The reversal of 1201842 is 2481021.

It is an interprime number because it is at equal distance from previous prime (1201841) and next prime (1201843).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1201841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1038 + ... + 1865.

It is an arithmetic number, because the mean of its divisors is an integer number (113256).

2^1201842 is an apocalyptic number.

1201842 is an abundant number, since it is smaller than the sum of its proper divisors (1516302).

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

1201842 is a wasteful number, since it uses less digits than its factorization.

1201842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934 (or 2931 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1201842 is about 1096.2855467441. The cubic root of 1201842 is about 106.3202018181.

Adding to 1201842 its reverse (2481021), we get a palindrome (3682863).

The spelling of 1201842 in words is "one million, two hundred one thousand, eight hundred forty-two".