100121461 has 8 divisors (see below), whose sum is σ = 113972544. Its totient is φ = 87061920.

The previous prime is 100121453. The next prime is 100121473. The reversal of 100121461 is 164121001.

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

It is not a de Polignac number, because 100121461 - 2³ = 100121453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197616 + ... + 198121.

It is an arithmetic number, because the mean of its divisors is an integer number (14246568).

Almost surely, 2^100121461 is an apocalyptic number.

100121461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100121461 is a deficient number, since it is larger than the sum of its proper divisors (13851083).

100121461 is a wasteful number, since it uses less digits than its factorization.

100121461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395771.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 100121461 is about 10006.0712070223. The cubic root of 100121461 is about 464.3467313349.

Adding to 100121461 its reverse (164121001), we get a palindrome (264242462).

The spelling of 100121461 in words is "one hundred million, one hundred twenty-one thousand, four hundred sixty-one".