1210343340 has 48 divisors (see below), whose sum is σ = 3420652032. Its totient is φ = 319740096.

The previous prime is 1210343327. The next prime is 1210343341. The reversal of 1210343340 is 433430121.

It is not an unprimeable number, because it can be changed into a prime (1210343341) 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, 87844 + ... + 100683.

It is an arithmetic number, because the mean of its divisors is an integer number (71263584).

Almost surely, 2^1210343340 is an apocalyptic number.

1210343340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210343340 is an abundant number, since it is smaller than the sum of its proper divisors (2210308692).

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

1210343340 is a wasteful number, since it uses less digits than its factorization.

1210343340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188646 (or 188644 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1210343340 is about 34789.9890773194. The cubic root of 1210343340 is about 1065.7030161805.

Adding to 1210343340 its reverse (433430121), we get a palindrome (1643773461).

The spelling of 1210343340 in words is "one billion, two hundred ten million, three hundred forty-three thousand, three hundred forty".