1401437 has 2 divisors, whose sum is σ = 1401438. Its totient is φ = 1401436.

The previous prime is 1401409. The next prime is 1401443. The reversal of 1401437 is 7341041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1110916 + 290521 = 1054^2 + 539^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401437 - 2¹⁸ = 1139293 is a prime.

It is equal to p₁₀₇₂₁₉ and since 1401437 and 107219 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401487) 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 as a sum of consecutive naturals, namely, 700718 + 700719.

It is an arithmetic number, because the mean of its divisors is an integer number (700719).

2^1401437 is an apocalyptic number.

It is an amenable number.

1401437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401437 is an equidigital number, since it uses as much as digits as its factorization.

1401437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1401437 is about 1183.8230442089. The cubic root of 1401437 is about 111.9071562631.

Adding to 1401437 its reverse (7341041), we get a palindrome (8742478).

The spelling of 1401437 in words is "one million, four hundred one thousand, four hundred thirty-seven".