1140420210 has 32 divisors (see below), whose sum is σ = 2739234240. Its totient is φ = 303864768.

The previous prime is 1140420191. The next prime is 1140420217. The reversal of 1140420210 is 120240411.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1140420210.

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 in 15 ways as a sum of consecutive naturals, for example, 23676 + ... + 53304.

It is an arithmetic number, because the mean of its divisors is an integer number (85601070).

Almost surely, 2^1140420210 is an apocalyptic number.

1140420210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1140420210 is an abundant number, since it is smaller than the sum of its proper divisors (1598814030).

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

1140420210 is a wasteful number, since it uses less digits than its factorization.

1140420210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30922.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1140420210 is about 33770.1082319853. The cubic root of 1140420210 is about 1044.7722648048.

Adding to 1140420210 its reverse (120240411), we get a palindrome (1260660621).

The spelling of 1140420210 in words is "one billion, one hundred forty million, four hundred twenty thousand, two hundred ten".