1002121130 has 8 divisors (see below), whose sum is σ = 1803818052. Its totient is φ = 400848448.

The previous prime is 1002121111. The next prime is 1002121157. The reversal of 1002121130 is 311212001.

It can be written as a sum of positive squares in 2 ways, for example, as 901860961 + 100260169 = 30031^2 + 10013^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50106047 + ... + 50106066.

Almost surely, 2^1002121130 is an apocalyptic number.

1002121130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002121130 is a deficient number, since it is larger than the sum of its proper divisors (801696922).

1002121130 is a wasteful number, since it uses less digits than its factorization.

1002121130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100212120.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1002121130 is about 31656.2968459673. The cubic root of 1002121130 is about 1000.7065440113.

Adding to 1002121130 its reverse (311212001), we get a palindrome (1313333131).

The spelling of 1002121130 in words is "one billion, two million, one hundred twenty-one thousand, one hundred thirty".