151246121 has 8 divisors (see below), whose sum is σ = 167283144. Its totient is φ = 135838080.

The previous prime is 151246079. The next prime is 151246157. The reversal of 151246121 is 121642151.

It can be written as a sum of positive squares in 4 ways, for example, as 72675625 + 78570496 = 8525^2 + 8864^2 .

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 151246121 - 2¹⁴ = 151229737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151246621) 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, 156740 + ... + 157701.

It is an arithmetic number, because the mean of its divisors is an integer number (20910393).

Almost surely, 2^151246121 is an apocalyptic number.

It is an amenable number.

151246121 is a deficient number, since it is larger than the sum of its proper divisors (16037023).

151246121 is a wasteful number, since it uses less digits than its factorization.

151246121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314491.

The product of its digits is 480, while the sum is 23.

The square root of 151246121 is about 12298.2161714616. The cubic root of 151246121 is about 532.7965635553.

Adding to 151246121 its reverse (121642151), we get a palindrome (272888272).

The spelling of 151246121 in words is "one hundred fifty-one million, two hundred forty-six thousand, one hundred twenty-one".