1345401 has 6 divisors (see below), whose sum is σ = 1943370. Its totient is φ = 896928.

The previous prime is 1345361. The next prime is 1345423. The reversal of 1345401 is 1045431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 921600 + 423801 = 960^2 + 651^2 .

It is not a de Polignac number, because 1345401 - 2⁷ = 1345273 is a prime.

It is a Curzon number.

1345401 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74736 + ... + 74753.

It is an arithmetic number, because the mean of its divisors is an integer number (323895).

2^1345401 is an apocalyptic number.

It is an amenable number.

1345401 is a deficient number, since it is larger than the sum of its proper divisors (597969).

1345401 is a wasteful number, since it uses less digits than its factorization.

1345401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149495 (or 149492 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1345401 is about 1159.9142209664. The cubic root of 1345401 is about 110.3952995006.

The spelling of 1345401 in words is "one million, three hundred forty-five thousand, four hundred one".