1201331402 has 8 divisors (see below), whose sum is σ = 1806103200. Its totient is φ = 599297004.

The previous prime is 1201331399. The next prime is 1201331441. The reversal of 1201331402 is 2041331021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683252 + ... + 685007.

It is an arithmetic number, because the mean of its divisors is an integer number (225762900).

Almost surely, 2^1201331402 is an apocalyptic number.

1201331402 is a deficient number, since it is larger than the sum of its proper divisors (604771798).

1201331402 is a wasteful number, since it uses less digits than its factorization.

1201331402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368700.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1201331402 is about 34660.2279565499. The cubic root of 1201331402 is about 1063.0514310760.

Adding to 1201331402 its reverse (2041331021), we get a palindrome (3242662423).

The spelling of 1201331402 in words is "one billion, two hundred one million, three hundred thirty-one thousand, four hundred two".