121019002 has 8 divisors (see below), whose sum is σ = 195492276. Its totient is φ = 55854912.

The previous prime is 121018991. The next prime is 121019011. The reversal of 121019002 is 200910121.

It can be written as a sum of positive squares in 2 ways, for example, as 117917881 + 3101121 = 10859^2 + 1761^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2327263 + ... + 2327314.

Almost surely, 2^121019002 is an apocalyptic number.

121019002 is a deficient number, since it is larger than the sum of its proper divisors (74473274).

121019002 is a wasteful number, since it uses less digits than its factorization.

121019002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4654592.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 121019002 is about 11000.8636933652. The cubic root of 121019002 is about 494.6346343067.

Adding to 121019002 its reverse (200910121), we get a palindrome (321929123).

The spelling of 121019002 in words is "one hundred twenty-one million, nineteen thousand, two".