1400245 has 16 divisors (see below), whose sum is σ = 2095488. Its totient is φ = 872640.

The previous prime is 1400197. The next prime is 1400249. The reversal of 1400245 is 5420041.

It is not a de Polignac number, because 1400245 - 2⁹ = 1399733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400249) 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 15 ways as a sum of consecutive naturals, for example, 1434 + ... + 2203.

It is an arithmetic number, because the mean of its divisors is an integer number (130968).

2^1400245 is an apocalyptic number.

It is an amenable number.

1400245 is a deficient number, since it is larger than the sum of its proper divisors (695243).

1400245 is a wasteful number, since it uses less digits than its factorization.

1400245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1400245 is about 1183.3194834870. The cubic root of 1400245 is about 111.8754195130.

Adding to 1400245 its reverse (5420041), we get a palindrome (6820286).

It can be divided in two parts, 1400 and 245, that multiplied together give a cube (343000 = 70³).

The spelling of 1400245 in words is "one million, four hundred thousand, two hundred forty-five".