1402155 has 12 divisors (see below), whose sum is σ = 2430480. Its totient is φ = 747792.

The previous prime is 1402153. The next prime is 1402157. The reversal of 1402155 is 5512041.

It is an interprime number because it is at equal distance from previous prime (1402153) and next prime (1402157).

It is not a de Polignac number, because 1402155 - 2¹ = 1402153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1402153) 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 11 ways as a sum of consecutive naturals, for example, 15535 + ... + 15624.

It is an arithmetic number, because the mean of its divisors is an integer number (202540).

2^1402155 is an apocalyptic number.

1402155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1402155 is a deficient number, since it is larger than the sum of its proper divisors (1028325).

1402155 is a wasteful number, since it uses less digits than its factorization.

1402155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31170 (or 31167 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1402155 is about 1184.1262601598. The cubic root of 1402155 is about 111.9262641789.

Adding to 1402155 its reverse (5512041), we get a palindrome (6914196).

The spelling of 1402155 in words is "one million, four hundred two thousand, one hundred fifty-five".