1402275 has 24 divisors (see below), whose sum is σ = 2650624. Its totient is φ = 640800.

The previous prime is 1402267. The next prime is 1402277. The reversal of 1402275 is 5722041.

It is not a de Polignac number, because 1402275 - 2³ = 1402267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1402277) 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 23 ways as a sum of consecutive naturals, for example, 811 + ... + 1860.

2^1402275 is an apocalyptic number.

1402275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1402275 is a deficient number, since it is larger than the sum of its proper divisors (1248349).

1402275 is a wasteful number, since it uses less digits than its factorization.

1402275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691 (or 2686 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1402275 is about 1184.1769293480. The cubic root of 1402275 is about 111.9294570661.

It can be divided in two parts, 140 and 2275, that added together give a triangular number (2415 = T₆₉).

The spelling of 1402275 in words is "one million, four hundred two thousand, two hundred seventy-five".