1401485 has 4 divisors (see below), whose sum is σ = 1681788. Its totient is φ = 1121184.

The previous prime is 1401481. The next prime is 1401487. The reversal of 1401485 is 5841041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5841041 = 449 ⋅13009.

It can be written as a sum of positive squares in 2 ways, for example, as 413449 + 988036 = 643^2 + 994^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401485 - 2² = 1401481 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1401485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140144 + ... + 140153.

It is an arithmetic number, because the mean of its divisors is an integer number (420447).

2^1401485 is an apocalyptic number.

It is an amenable number.

1401485 is a deficient number, since it is larger than the sum of its proper divisors (280303).

1401485 is an equidigital number, since it uses as much as digits as its factorization.

1401485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280302.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1401485 is about 1183.8433173355. The cubic root of 1401485 is about 111.9084338761.

The spelling of 1401485 in words is "one million, four hundred one thousand, four hundred eighty-five".