1002342555 has 12 divisors (see below), whose sum is σ = 1737393840. Its totient is φ = 534582672.

The previous prime is 1002342533. The next prime is 1002342557. The reversal of 1002342555 is 5552432001.

It is a happy number.

1002342555 is a `hidden beast` number, since 100 + 2 + 3 + 4 + 2 + 555 = 666.

It is not a de Polignac number, because 1002342555 - 2¹⁵ = 1002309787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002342557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11137095 + ... + 11137184.

It is an arithmetic number, because the mean of its divisors is an integer number (144782820).

Almost surely, 2^1002342555 is an apocalyptic number.

1002342555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1002342555 is a deficient number, since it is larger than the sum of its proper divisors (735051285).

1002342555 is a wasteful number, since it uses less digits than its factorization.

1002342555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22274290 (or 22274287 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1002342555 is about 31659.7939822735. The cubic root of 1002342555 is about 1000.7802427296.

Adding to 1002342555 its reverse (5552432001), we get a palindrome (6554774556).

The spelling of 1002342555 in words is "one billion, two million, three hundred forty-two thousand, five hundred fifty-five".