151005121 has 8 divisors (see below), whose sum is σ = 155075360. Its totient is φ = 146960352.

The previous prime is 151005079. The next prime is 151005133. The reversal of 151005121 is 121500151.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151005121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151005095 and 151005104.

It is not an unprimeable number, because it can be changed into a prime (151005161) 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, 5965 + ... + 18373.

It is an arithmetic number, because the mean of its divisors is an integer number (19384420).

Almost surely, 2^151005121 is an apocalyptic number.

It is an amenable number.

151005121 is a deficient number, since it is larger than the sum of its proper divisors (4070239).

151005121 is a wasteful number, since it uses less digits than its factorization.

151005121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12735.

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 151005121 is about 12288.4140962127. The cubic root of 151005121 is about 532.5134218957.

Adding to 151005121 its reverse (121500151), we get a palindrome (272505272).

The spelling of 151005121 in words is "one hundred fifty-one million, five thousand, one hundred twenty-one".