1211040422 has 8 divisors (see below), whose sum is σ = 1834197456. Its totient is φ = 599641272.

The previous prime is 1211040409. The next prime is 1211040443. The reversal of 1211040422 is 2240401121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1211040422.

It is a congruent number.

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, 2939213 + ... + 2939624.

It is an arithmetic number, because the mean of its divisors is an integer number (229274682).

Almost surely, 2^1211040422 is an apocalyptic number.

1211040422 is a deficient number, since it is larger than the sum of its proper divisors (623157034).

1211040422 is a wasteful number, since it uses less digits than its factorization.

1211040422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5878942.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1211040422 is about 34800.0060632179. The cubic root of 1211040422 is about 1065.9075696581.

Adding to 1211040422 its reverse (2240401121), we get a palindrome (3451441543).

The spelling of 1211040422 in words is "one billion, two hundred eleven million, forty thousand, four hundred twenty-two".