1140420212 has 6 divisors (see below), whose sum is σ = 1995735378. Its totient is φ = 570210104.

The previous prime is 1140420191. The next prime is 1140420217. The reversal of 1140420212 is 2120240411.

It can be written as a sum of positive squares in only one way, i.e., 591267856 + 549152356 = 24316^2 + 23434^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140420217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142552523 + ... + 142552530.

It is an arithmetic number, because the mean of its divisors is an integer number (332622563).

Almost surely, 2^1140420212 is an apocalyptic number.

It is an amenable number.

1140420212 is a deficient number, since it is larger than the sum of its proper divisors (855315166).

1140420212 is a wasteful number, since it uses less digits than its factorization.

1140420212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285105057 (or 285105055 counting only the distinct ones).

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

The square root of 1140420212 is about 33770.1082615973. The cubic root of 1140420212 is about 1044.7722654155.

Adding to 1140420212 its reverse (2120240411), we get a palindrome (3260660623).

The spelling of 1140420212 in words is "one billion, one hundred forty million, four hundred twenty thousand, two hundred twelve".