1211371342 has 8 divisors (see below), whose sum is σ = 1866166776. Its totient is φ = 589315752.

The previous prime is 1211371333. The next prime is 1211371351. The reversal of 1211371342 is 2431731121.

It is an interprime number because it is at equal distance from previous prime (1211371333) and next prime (1211371351).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8184868 + ... + 8185015.

It is an arithmetic number, because the mean of its divisors is an integer number (233270847).

Almost surely, 2^1211371342 is an apocalyptic number.

1211371342 is a deficient number, since it is larger than the sum of its proper divisors (654795434).

1211371342 is a wasteful number, since it uses less digits than its factorization.

1211371342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16369922.

The product of its digits is 1008, while the sum is 25.

The square root of 1211371342 is about 34804.7603353334. The cubic root of 1211371342 is about 1066.0046481710.

The spelling of 1211371342 in words is "one billion, two hundred eleven million, three hundred seventy-one thousand, three hundred forty-two".