151121233 has 8 divisors (see below), whose sum is σ = 158313600. Its totient is φ = 144061008.

The previous prime is 151121227. The next prime is 151121239. The reversal of 151121233 is 332121151.

It is an interprime number because it is at equal distance from previous prime (151121227) and next prime (151121239).

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 151121233 - 2²¹ = 149024081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151121233.

It is not an unprimeable number, because it can be changed into a prime (151121239) 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, 30691 + ... + 35272.

It is an arithmetic number, because the mean of its divisors is an integer number (19789200).

Almost surely, 2^151121233 is an apocalyptic number.

It is an amenable number.

151121233 is a deficient number, since it is larger than the sum of its proper divisors (7192367).

151121233 is an equidigital number, since it uses as much as digits as its factorization.

151121233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66071.

The product of its digits is 180, while the sum is 19.

The square root of 151121233 is about 12293.1376385364. The cubic root of 151121233 is about 532.6498750104.

Adding to 151121233 its reverse (332121151), we get a palindrome (483242384).

The spelling of 151121233 in words is "one hundred fifty-one million, one hundred twenty-one thousand, two hundred thirty-three".