151044121 has 4 divisors (see below), whose sum is σ = 155916544. Its totient is φ = 146171700.

The previous prime is 151044077. The next prime is 151044149. The reversal of 151044121 is 121440151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 151044121 - 2²⁷ = 16826393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151044181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2436165 + ... + 2436226.

It is an arithmetic number, because the mean of its divisors is an integer number (38979136).

Almost surely, 2^151044121 is an apocalyptic number.

It is an amenable number.

151044121 is a deficient number, since it is larger than the sum of its proper divisors (4872423).

151044121 is an equidigital number, since it uses as much as digits as its factorization.

151044121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4872422.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 151044121 is about 12290.0008543531. Note that the first 3 decimals coincide. The cubic root of 151044121 is about 532.5592619212.

Adding to 151044121 its reverse (121440151), we get a palindrome (272484272).

The spelling of 151044121 in words is "one hundred fifty-one million, forty-four thousand, one hundred twenty-one".