151125121 has 32 divisors (see below), whose sum is σ = 188559360. Its totient is φ = 118195200.

The previous prime is 151125103. The next prime is 151125151. The reversal of 151125121 is 121521151.

It is a cyclic number.

It is not a de Polignac number, because 151125121 - 2⁵ = 151125089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151125151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 791136 + ... + 791326.

It is an arithmetic number, because the mean of its divisors is an integer number (5892480).

Almost surely, 2^151125121 is an apocalyptic number.

It is an amenable number.

151125121 is a deficient number, since it is larger than the sum of its proper divisors (37434239).

151125121 is a wasteful number, since it uses less digits than its factorization.

151125121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385.

The product of its digits is 100, while the sum is 19.

The square root of 151125121 is about 12293.2957745269. The cubic root of 151125121 is about 532.6544429212.

Adding to 151125121 its reverse (121521151), we get a palindrome (272646272).

The spelling of 151125121 in words is "one hundred fifty-one million, one hundred twenty-five thousand, one hundred twenty-one".