1340245201 has 8 divisors (see below), whose sum is σ = 1431643464. Its totient is φ = 1250242560.

The previous prime is 1340245189. The next prime is 1340245211. The reversal of 1340245201 is 1025420431.

It can be written as a sum of positive squares in 4 ways, for example, as 218330176 + 1121915025 = 14776^2 + 33495^2 .

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

It is not a de Polignac number, because 1340245201 - 2¹¹ = 1340243153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340245211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346920 + ... + 350761.

It is an arithmetic number, because the mean of its divisors is an integer number (178955433).

Almost surely, 2^1340245201 is an apocalyptic number.

It is an amenable number.

1340245201 is a deficient number, since it is larger than the sum of its proper divisors (91398263).

1340245201 is a wasteful number, since it uses less digits than its factorization.

1340245201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697811.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1340245201 is about 36609.3594726813. The cubic root of 1340245201 is about 1102.5410130378.

Adding to 1340245201 its reverse (1025420431), we get a palindrome (2365665632).

The spelling of 1340245201 in words is "one billion, three hundred forty million, two hundred forty-five thousand, two hundred one".