1201134442 has 32 divisors (see below), whose sum is σ = 1891620864. Its totient is φ = 571459200.

The previous prime is 1201134427. The next prime is 1201134479. The reversal of 1201134442 is 2444311021.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829363 + ... + 830809.

It is an arithmetic number, because the mean of its divisors is an integer number (59113152).

Almost surely, 2^1201134442 is an apocalyptic number.

1201134442 is a deficient number, since it is larger than the sum of its proper divisors (690486422).

1201134442 is a wasteful number, since it uses less digits than its factorization.

1201134442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1201134442 is about 34657.3865431310. The cubic root of 1201134442 is about 1062.9933316336.

Adding to 1201134442 its reverse (2444311021), we get a palindrome (3645445463).

The spelling of 1201134442 in words is "one billion, two hundred one million, one hundred thirty-four thousand, four hundred forty-two".