100121042 has 8 divisors (see below), whose sum is σ = 171636096. Its totient is φ = 42909012.

The previous prime is 100121039. The next prime is 100121111. The reversal of 100121042 is 240121001.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3575738 + ... + 3575765.

It is an arithmetic number, because the mean of its divisors is an integer number (21454512).

Almost surely, 2^100121042 is an apocalyptic number.

100121042 is a deficient number, since it is larger than the sum of its proper divisors (71515054).

100121042 is an equidigital number, since it uses as much as digits as its factorization.

100121042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7151512.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 100121042 is about 10006.0502697118. The cubic root of 100121042 is about 464.3460835832.

Adding to 100121042 its reverse (240121001), we get a palindrome (340242043).

The spelling of 100121042 in words is "one hundred million, one hundred twenty-one thousand, forty-two".