1211433042 has 8 divisors (see below), whose sum is σ = 2422866096. Its totient is φ = 403811012.

The previous prime is 1211432983. The next prime is 1211433059. The reversal of 1211433042 is 2403341121.

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

1211433042 is an admirable number.

It is a super-3 number, since 3×1211433042³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100952748 + ... + 100952759.

It is an arithmetic number, because the mean of its divisors is an integer number (302858262).

Almost surely, 2^1211433042 is an apocalyptic number.

1211433042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1211433042 is a wasteful number, since it uses less digits than its factorization.

1211433042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201905512.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1211433042 is about 34805.6466970519. The cubic root of 1211433042 is about 1066.0227464942.

Adding to 1211433042 its reverse (2403341121), we get a palindrome (3614774163).

The spelling of 1211433042 in words is "one billion, two hundred eleven million, four hundred thirty-three thousand, forty-two".