1402761 has 4 divisors (see below), whose sum is σ = 1870352. Its totient is φ = 935172.

The previous prime is 1402727. The next prime is 1402763. The reversal of 1402761 is 1672041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1402761 - 2⁶ = 1402697 is a prime.

It is a D-number.

It is a Duffinian number.

1402761 is a lucky number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1402763) 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 in 3 ways as a sum of consecutive naturals, for example, 233791 + ... + 233796.

It is an arithmetic number, because the mean of its divisors is an integer number (467588).

2^1402761 is an apocalyptic number.

It is an amenable number.

1402761 is a deficient number, since it is larger than the sum of its proper divisors (467591).

1402761 is an equidigital number, since it uses as much as digits as its factorization.

1402761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467590.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1402761 is about 1184.3821173929. The cubic root of 1402761 is about 111.9423863971.

The spelling of 1402761 in words is "one million, four hundred two thousand, seven hundred sixty-one".