1201040442 has 48 divisors (see below), whose sum is σ = 2977071552. Its totient is φ = 342800640.

The previous prime is 1201040437. The next prime is 1201040507. The reversal of 1201040442 is 2440401021.

1201040442 is a `hidden beast` number, since 120 + 104 + 0 + 442 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133098 + ... + 141834.

It is an arithmetic number, because the mean of its divisors is an integer number (62022324).

Almost surely, 2^1201040442 is an apocalyptic number.

1201040442 is an abundant number, since it is smaller than the sum of its proper divisors (1776031110).

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

1201040442 is a wasteful number, since it uses less digits than its factorization.

1201040442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9843 (or 9840 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1201040442 is about 34656.0303843357. The cubic root of 1201040442 is about 1062.9656011880.

Adding to 1201040442 its reverse (2440401021), we get a palindrome (3641441463).

The spelling of 1201040442 in words is "one billion, two hundred one million, forty thousand, four hundred forty-two".