1340151 has 4 divisors (see below), whose sum is σ = 1786872. Its totient is φ = 893432.

The previous prime is 1340149. The next prime is 1340153. The reversal of 1340151 is 1510431.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1340149) and next prime (1340153).

It is a cyclic number.

It is not a de Polignac number, because 1340151 - 2¹ = 1340149 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 1340151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223356 + ... + 223361.

It is an arithmetic number, because the mean of its divisors is an integer number (446718).

2^1340151 is an apocalyptic number.

1340151 is a deficient number, since it is larger than the sum of its proper divisors (446721).

1340151 is an equidigital number, since it uses as much as digits as its factorization.

1340151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446720.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1340151 is about 1157.6489105078. The cubic root of 1340151 is about 110.2515181223.

Adding to 1340151 its reverse (1510431), we get a palindrome (2850582).

The spelling of 1340151 in words is "one million, three hundred forty thousand, one hundred fifty-one".