100121534 has 8 divisors (see below), whose sum is σ = 159016608. Its totient is φ = 47116000.

The previous prime is 100121533. The next prime is 100121563. The reversal of 100121534 is 435121001.

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121533) 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, 1472342 + ... + 1472409.

It is an arithmetic number, because the mean of its divisors is an integer number (19877076).

Almost surely, 2^100121534 is an apocalyptic number.

100121534 is a deficient number, since it is larger than the sum of its proper divisors (58895074).

100121534 is a wasteful number, since it uses less digits than its factorization.

100121534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944770.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 100121534 is about 10006.0748548070. The cubic root of 100121534 is about 464.3468441888.

Adding to 100121534 its reverse (435121001), we get a palindrome (535242535).

The spelling of 100121534 in words is "one hundred million, one hundred twenty-one thousand, five hundred thirty-four".