1400753 has 2 divisors, whose sum is σ = 1400754. Its totient is φ = 1400752.

The previous prime is 1400747. The next prime is 1400801. The reversal of 1400753 is 3570041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 954529 + 446224 = 977^2 + 668^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400753 - 2⁶ = 1400689 is a prime.

It is a super-3 number, since 3×1400753³ = 8245290065594273331, which contains 333 as substring.

It is equal to p₁₀₇₁₇₄ and since 1400753 and 107174 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1400353) 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 as a sum of consecutive naturals, namely, 700376 + 700377.

It is an arithmetic number, because the mean of its divisors is an integer number (700377).

2^1400753 is an apocalyptic number.

It is an amenable number.

1400753 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400753 is an equidigital number, since it uses as much as digits as its factorization.

1400753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1400753 is about 1183.5341144217. The cubic root of 1400753 is about 111.8889471080. Note that the first 3 decimals are identical.

Adding to 1400753 its reverse (3570041), we get a palindrome (4970794).

It can be divided in two parts, 14007 and 53, that multiplied together give a triangular number (742371 = T₁₂₁₈).

The spelling of 1400753 in words is "one million, four hundred thousand, seven hundred fifty-three".