101218994 has 8 divisors (see below), whose sum is σ = 152599788. Its totient is φ = 50352400.

The previous prime is 101218991. The next prime is 101219009. The reversal of 101218994 is 499812101.

It can be written as a sum of positive squares in 2 ways, for example, as 100902025 + 316969 = 10045^2 + 563^2 .

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

It is not an unprimeable number, because it can be changed into a prime (101218991) 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, 128057 + ... + 128844.

Almost surely, 2^101218994 is an apocalyptic number.

101218994 is a deficient number, since it is larger than the sum of its proper divisors (51380794).

101218994 is a wasteful number, since it uses less digits than its factorization.

101218994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257100.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 101218994 is about 10060.7650802511. The cubic root of 101218994 is about 466.0372943192.

The spelling of 101218994 in words is "one hundred one million, two hundred eighteen thousand, nine hundred ninety-four".