1002420170 has 16 divisors (see below), whose sum is σ = 1808228448. Its totient is φ = 400107600.

The previous prime is 1002420163. The next prime is 1002420179. The reversal of 1002420170 is 710242001.

It is not an unprimeable number, because it can be changed into a prime (1002420179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102656 + ... + 111995.

It is an arithmetic number, because the mean of its divisors is an integer number (113014278).

Almost surely, 2^1002420170 is an apocalyptic number.

1002420170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002420170 is a deficient number, since it is larger than the sum of its proper divisors (805808278).

1002420170 is a wasteful number, since it uses less digits than its factorization.

1002420170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215125.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1002420170 is about 31661.0197245761. The cubic root of 1002420170 is about 1000.8060734044.

Adding to 1002420170 its reverse (710242001), we get a palindrome (1712662171).

The spelling of 1002420170 in words is "one billion, two million, four hundred twenty thousand, one hundred seventy".