1002055 has 8 divisors (see below), whose sum is σ = 1214352. Its totient is φ = 793728.

The previous prime is 1002049. The next prime is 1002061. The reversal of 1002055 is 5502001.

It is an interprime number because it is at equal distance from previous prime (1002049) and next prime (1002061).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002055 - 2¹⁷ = 870983 is a prime.

It is a super-2 number, since 2×1002055² = 2008228446050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 402 + ... + 1471.

It is an arithmetic number, because the mean of its divisors is an integer number (151794).

2^1002055 is an apocalyptic number.

1002055 is a deficient number, since it is larger than the sum of its proper divisors (212297).

1002055 is a wasteful number, since it uses less digits than its factorization.

1002055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985.

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 1002055 is about 1001.0269726636. The cubic root of 1002055 is about 100.0684531310.

Adding to 1002055 its reverse (5502001), we get a palindrome (6504056).

The spelling of 1002055 in words is "one million, two thousand, fifty-five".