1201231402 has 32 divisors (see below), whose sum is σ = 2111864832. Its totient is φ = 501714864.

The previous prime is 1201231399. The next prime is 1201231439. The reversal of 1201231402 is 2041321021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300823 + ... + 304789.

It is an arithmetic number, because the mean of its divisors is an integer number (65995776).

Almost surely, 2^1201231402 is an apocalyptic number.

1201231402 is a deficient number, since it is larger than the sum of its proper divisors (910633430).

1201231402 is a wasteful number, since it uses less digits than its factorization.

1201231402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4522.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1201231402 is about 34658.7853509035. The cubic root of 1201231402 is about 1063.0219337775.

Adding to 1201231402 its reverse (2041321021), we get a palindrome (3242552423).

The spelling of 1201231402 in words is "one billion, two hundred one million, two hundred thirty-one thousand, four hundred two".