1400029 has 2 divisors, whose sum is σ = 1400030. Its totient is φ = 1400028.

The previous prime is 1400023. The next prime is 1400039. The reversal of 1400029 is 9200041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1159929 + 240100 = 1077^2 + 490^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400029 - 2¹⁹ = 875741 is a prime.

1400029 is a lucky number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1399985 and 1400021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400023) 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, 700014 + 700015.

It is an arithmetic number, because the mean of its divisors is an integer number (700015).

2^1400029 is an apocalyptic number.

It is an amenable number.

1400029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400029 is an equidigital number, since it uses as much as digits as its factorization.

1400029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1400029 is about 1183.2282112932. The cubic root of 1400029 is about 111.8696666309.

The spelling of 1400029 in words is "one million, four hundred thousand, twenty-nine".