1001213498 has 8 divisors (see below), whose sum is σ = 1502748192. Its totient is φ = 500297436.

The previous prime is 1001213497. The next prime is 1001213509. The reversal of 1001213498 is 8943121001.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1001213498.

It is not an unprimeable number, because it can be changed into a prime (1001213497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150590 + ... + 157097.

It is an arithmetic number, because the mean of its divisors is an integer number (187843524).

Almost surely, 2^1001213498 is an apocalyptic number.

1001213498 is a deficient number, since it is larger than the sum of its proper divisors (501534694).

1001213498 is a wasteful number, since it uses less digits than its factorization.

1001213498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309316.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1001213498 is about 31641.9578724200. The cubic root of 1001213498 is about 1000.4043358238.

Adding to 1001213498 its reverse (8943121001), we get a palindrome (9944334499).

The spelling of 1001213498 in words is "one billion, one million, two hundred thirteen thousand, four hundred ninety-eight".