101994051 has 8 divisors (see below), whose sum is σ = 136592064. Its totient is φ = 67696040.

The previous prime is 101994047. The next prime is 101994059. The reversal of 101994051 is 150499101.

101994051 = 229² + 230² + ... + 682².

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

It is a cyclic number.

It is not a de Polignac number, because 101994051 - 2² = 101994047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101994059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74205 + ... + 75566.

It is an arithmetic number, because the mean of its divisors is an integer number (17074008).

Almost surely, 2^101994051 is an apocalyptic number.

101994051 is a deficient number, since it is larger than the sum of its proper divisors (34598013).

101994051 is a wasteful number, since it uses less digits than its factorization.

101994051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150001.

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 101994051 is about 10099.2104146809. The cubic root of 101994051 is about 467.2237891022.

The spelling of 101994051 in words is "one hundred one million, nine hundred ninety-four thousand, fifty-one".